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184 Cards in this Set
- Front
- Back
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7 FUNCTIONS OF BRAIN?
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INTERPRET SENSATIONS
DETERMINES PERCEPTIONS STORES MEMORY REASONING/ DECISION MAKING COORDINATES MUSCULAR MOVEMENTS REGULATES VISCERAL ACTIVITIES DETERMINES PERSONALITY |
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PARTS OF BRAINS--CEREBRUM
what 3 parts make up the cereBRUM? |
HEMISPHERES (R/L)
WHITE MATTER BASAL NUCLEI (GANGLIA) |
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PARTS OF BRAIN
DIENCEPHALON...what makes this up? |
THALAMUS
HYPO THALAMUS |
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PARTS OF BRAIN
BRAINSTEM...what makes up the brainstem? |
MIDBRAIN
PONS MEDULLA OBLONGATA |
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PARTS OF BRAIN
CEREBELLUM |
?
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EMBRYONIC DEVELOPMENT
3 WEEKS: |
NEURAL PLATE DEVELOPS FROM ECTODERM
--INVAGINATES TO FORM NEURAL GROOVE --NEURAL CREST FORMS LATERALLY |
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EMBRYONIC DEVELOPMENT
4 WEEKS? |
-DEVELOPS INTO NEURAL TUBE
--BRAIN DEVELOPS ROSTRALLY ---SPINAL CORD DEVELOPS CAUDALLY ----DETACHES FROM ECTODERM |
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PRIMARY BRAIN VESICLES
FOREBRAIN |
PROENCEPHALON
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PRIMARY BRAIN VESICLEDS
MIDBRAIN |
MESENCEPHALON
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PRIMARY BRAIN VESICLES
HINDBRAIN |
RHOMBENCEPHALON
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SECONDARY BRAIN VESICLES
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?
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WHAT DO VENTRICALS DEVELOP FROM?
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EXPANSIONS OF THE NEURAL TUBES
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VENTRICLES ARE CONTAINED WITHIN?
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CEREBRAL HEMISHPERE AND BRAIN STEM
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VENTRICLES ARE CONTINUOUS WITH?
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CENTRAL CANAL OF SPINAL CORD
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VENTRICLES ARE FILLED WITH?
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CSF CEREBRO SPINAL FLUID
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WHAT IS THE LONGITUDINAL FISSURE
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THE CENTER LINE OF THE BRAIN WHEN VIEWED FROM THE TOP
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WHAT SECRETES THE CSF?
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CHOROID PLEXUS
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WHERE DOES CSF CIRCULATE?
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VENTRICLES, CENTRAL CANAL OF SPINAL CORD, AND THE SUBARACHNOID SPACE
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WHAT DOES THE CSF COMPLETELY SURROUND?
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BRAIN AND SPINAL CORD
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WHAT COLOR IS THE CSF?
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CLEAR
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WHAT DOES THE CSF PROVIDE?
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NUTRICION AND PROTECTION
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WHAT DOES THE CSF HELP MAINTAIN?
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STABLE ION CONCENTRATIONS IN THE CNS
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THE CEREBRAL HEMISPHERE FORMS THE ------- PART OF THE BRAIN?
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SUPERIOR
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THE CEREBRAL HEMISPHERE ACCOUNTS FOR --------?
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83% OF TOTAL BRAIN MASS
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3 REGIONS OF CEREBRAL HEMISPHERE?
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1) EXTERNAL SURFACE OF GRAY MATTER
2) INTERNAL PORTION OF WHITE MATTER 3) BASAL NUCLEI FORMS ISLANDS OF GRAY MATTER DEEP IN THE WHITE MATTER |
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C.H.
"GYRI"? |
BUMPS
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CEREBRAL HEMISPHERE
"SULCI"? |
GROOVES
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CEREBRAL HEMISPHERE
LONGITUDINAL FISSURE? |
SEPARATES HEMISPHERES
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CEREBRAL HEMISPHERE
TRANSVERSE CEREBRAL FISSURE? |
SEPARATES CEREBRUM FROM CEREBELLUM
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CEREBRAL HEMISPHERE
CORPUS CALLOSUM? |
CONNECTS CEREBRAL HEMISPHERES
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FRONTAL LOBE?
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ANTERIOR
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PARIETAL LOBE?
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LATERAL & POSTERIOR TO FRONTAL
(CENTRAL SULCUS) |
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OCCIPITAL LOBE?
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POSTERIOR
(PARIETOOCCIPITAL SULCUS) |
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TEMPORAL LOBE?
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LATERAL, INFERIOR
(LATERAL SULCUS) |
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INSULA?
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UNDER TEMPORAL PARIETAL AND FRONTAL LOBES
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CEREBRAL HEMISPHERES
FUNCTIONS OF THE CEREBRUM? |
-INTERPRETING IMPULSES
-INITIATING VOLUNTARY MOVEMENTS -STORING INFO AS MEMORY -RETRIEVING STORED INFO FROM MEMORY -REASONING -SEAT OF IQ AND PERSONALITY |
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CEREBRAL CORTEX
--CONSISTS OF ? |
THIN LAYER OF GRAY MATTER THE CONSTITUTES THE OUTERMOST PART OF CEREBRUM
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CEREBRAL CORTEX
CONTAINS NEURONS ARRANGED IN --- ---------? |
6 LAYERS
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CEREBRAL CORTEX
WHAT DO CONVOLUTIONS DO? |
INCREASE SURFACE AREA
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WHERE IS THE CONSCIOUS MIND LOCATED?
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IN THE CEREBRAL CORTEX
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4 THINGS THAT THE CEREBRAL CORTEX ALLOWS FOR?
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SENSATIONS
COMMUNICATIONS MEMORY UNDERSTANDING |
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WHAT 3 FUNCTIONAL AREAS ARE CONTAINED IN THE CEREBRAL CORTEX?
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MOTOR AREAS
SENSORY AREAS ASSOCIATION AREAS |
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HEMISPHERES TYPICALLY CONTROL WHAT?
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THE CONTRALATERAL SIDE OF THE BODY
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DO FUNCTIONAL AREAS ACT ALONE?
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NO
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PRIMARY MOTOR CORTEX
IS LOCATED WHERE? AND BEFORE WHAT? |
FRONTAL LOBE, PRE-CENTRAL GYRUS
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PRIMARY MOTOR CORTEX
ALLOWS WHAT? |
CONCIOUS CONTROL OF VOLUNTARY MUSCLES
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PRIMARY MOTOR CORTEX
AXONS FROM THIS AREA FORM? |
PYRAMIDAL TRACTS
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CEREBRAL CORTEX
-------------- PROVIDES MAP OF PRIMARY MOTOR AREA? |
HOMUNCULI
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CEREBRAL CORTEX
NEURONS ---> MUSCLES |
NOT ONE-ON-ONE
CONTROL MUSCLES IN GROUPS |
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PREMOTOR CORTEX
WHERE IS IT LOCATED? |
ANTERIOR TO PRIMARY MOTOR CORTEX
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PRIMARY MOTOR CORTEX
SKILLS? |
REPETIITVE MOTOR SKILLS
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WHAT COORDINATES THE MUSCLE GROUPS BY SENDING IMPULSES THRU THE PRIMARY MOTOR CORTEX?
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PREMOTOR CORTEX
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WHERE IS BROCA'S AREA?
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ANTERIOR TO PRIMARY MOTOR CORTEX
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WHAT HEMISPHERE IS BROCA'S AREA IN?
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LEFT
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WHAT CONTROLS MUSCLES NEEDED FOR SPEECH?
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BROCA'S AREA
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FRONTAL EYE FIELD IS LOCATED?
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ABOVE BROCA'S AREA
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WHAT CONTROLS VOLUNTARY MOVEMENTS OF EYES AND EYE LIDS?
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FRONTAL EYE FIELD
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WHERE IS THE PRIMARY SOMATOSENSORY CORTEX?
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IN THE POST-CENTRAL GYRUS (PARIETAL LOBE)
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SENSORY RECEPTORS IN THE SKIN AND PROPRIOCEPTORS ARE FOUND IN THE ?
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PRIMARY SOMATOSENSORY CORTEX
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WHAT CAN I.D. AN AREA? (SPATIAL DISCRIMINATION)?
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PRIMARY SOMATOSENSORY CORTEX
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WHERE IS THE SOMATORSENSORY ASSOCIATION CORTEX LOCATED?
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POSTERIOR TO PRIMARY SENSORY AREA
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INTEGRATE SENSORY INFO IS SENT TO THE ?
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PRIMARY SENSORY AREA
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MEMORIES OF PAST SENSORY EVENTS ARE STORED IN THE?
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SOMATORSENSORY ASSOCIATION CORTEX
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VISUAL AREA, (PRIMARY VISUAL CORTEX) IS LOCATED WHERE?
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OCCIPITAL LOBE
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VISION IS INTERPRETS BY?
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VISUAL AREA...RETINA OF EYE
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WHAT IS THE VISUAL AREA SURROUNDED BY?
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VISUAL SENSORY CORTEX
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AUDITORY AREAS ARE LOCATED IN?
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TEMPORAL LOBE
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WHAT INTERPRETS HEARING?
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AUDITORY AREAS
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OLFACTORY CORTEX IS LOCATED IN ?
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TEMPORAL LOBE
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OLFACTORY IS GREATLY REDUCED...WHY IN HUMANS?
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PART OF OLDER BRAIN
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WHAT IS THE OLFACTORY CORTEX PART OF NOW-A-DAYS?
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THE LIMBIC SYSTEM, OR EMOTIONAL BRAIN
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GUSTATORY CORTEX IS LOCATED ?
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IN INSULA (NEAR BASE OF SULCUS)
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WHAT IS THE MOST COMPLEX CORTICAL REGION?
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FRONTAL LOBE ASSOCIATION AREAS
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WHAT LOBE IS INVOLVED WITH CONCENTRATION, PLANNING, COMPLEX PROBLEM SOLVING
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FRONTAL LOBE ASS. AREAS
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WHAT AREAS WORK WITH MEMORY TO FORM ABSTRACT IDEAS?
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FRONTAL LOBE ASS. AREAS
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POSTERIOR AREAS INVOLVE ?
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TEMPORAL,
PARIETAL OCCIPATAL LOBES |
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WHAT LOBE PLAYS A ROLE IN FACIAL RECOGNITION?
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POSTERIOR ASS. AREAS
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WHAT LOCATES "US" AND OUR SURROUNDING SPACE?
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POSTERIOR ASS. AREAS
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WHAT BINDS SENSORY INFO INTO A WHOLE?
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POSTERIOR ASS. AREAS
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LIMBIC ASS. AREA IS PART OF THE ----------------- SYSTEM?
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LIMBIC
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WHAT PROVIDES AN EMOTIONAL "JOLT"?
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LIMBIC ASS. AREA
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LATERALIZATION OF CORTICAL FUNCTION?
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HEMISPHERES LOOK IDENTICAL BUT EACH IS UNIQUE
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WHAT HEMISPHERE IS DOMINANT IN MOST INDIVIDUALS?
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THE LEFT
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WHAT INDICATES THE DOMINANT HEMISPHERE?
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THE ONE THAT CONTROLS LANGUAGE
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WHAT 6 THINGS DOES THE DOMINANT HEMISPHERE CONTROL?
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1) SPEECH
2)WRITING 3) READING 4) ANALYTIC SKILLS 5) COMPUTATIONAL SKILLS 6) VERBAL SKILLS |
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CEREBRAL CORTEX
NON-DOMINANT HEMISPHERE CONTROLS WHAT? |
NONVERBAL TASKS
-MOTOR TASKS -UNDERSTANDING AND INTERPRETING MUSICAL AND VISUAL PATTERNS -PROVIDES EMOTIONAL AND INTUITIVE THOUGHT PROCESS |
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WHAT FORMS THE INTERNAL STRUCTURE OF THE CEREBRAL HEMISPHERES?
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WHITE MATTER
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WHAT IS RESPONSIBLE FOR COMMUNICATION OF CEREBRAL AREAS?
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WHITE MATTER
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MYELINATED FIBERS BUNDLE INTO WHAT?
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TRACTS
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WHAT IS COMMISSURAL?
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INFORMATION CONNECTING GRAY AREAS IN THE HEMISPHERES
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WHAT IS ASSOCIATION?
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CONNECT DIFFERENT PARTS OF SAME HEMISPHERE...
SHORT = CONN. ADJACENT GYRI LONG = CONNECT LOBES |
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PROJECTION? WHAT IS IT?
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EITHER ENTER OR EXIT THE CORTEX OR CORD CENTERS
--TIES THE CORTEX TO REST OF NERVOUS SYSTEM |
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BASAL NUCLEI IS WHAT?
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MASSES OF GRAY MATTER (SUBCORTICAL NUCLEI) LOCATED DEEP WITHIN THE CEREBRAL HEMISPHERES
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3 PARTS OF THE BASAL NUCLEI?
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CAUDATE NUCLEUS
PUTAMEN GLOBUS PALLIDUS |
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WHAT APPEARS TO CONTROL CERTAIN MUSCULAR ACTIVITIES?
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BASAL NUCLEI
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WHAT PRODUCES DOPAMINE?
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BASAL NUCLEI
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WHERE IS THE DIENCEPHALON LOCATED?
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BETWEEN THE CEREBRAL HEMISPHERE AND ABOVE THE BRAINSTEM
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WHAT DOES THE DIENCEPHALON CONSIST OF?
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GRAY MATTER
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WHAT IS THE DIENCEPHALON COMPOSED OF?
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3 PAIRED STRUCTURES
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THE THALAMUS MAKES UP ------ % OF THE DIENCEPHALON?
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80%
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THE THALAMUS IS THE GATEWAY FOR WHAT?
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SENSORY IMPULSES HEADING TO THE CEREBRAL CORTEX
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WHAT RECEIVES ALL SENSORY IMPULSES? (EXCEPT SMELL)
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THE THALAMUS
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THE THALAMUS WILL CHANNEL IMPULSES TO WHAT?
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THE APPROPRIATE PART OF CEREBRAL CORTEX FOR INTERPRETATION
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WHAT DOES THE HYPOTHALAMUS DO?
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MAINTAINS HOMEOSTASIS BY REGULATING VISCERAL ACTIVITIES
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WHAT 5 THINGS DOES THE HYPOTHALAMUS REGULATE?
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-AUTONOMIC NERVOUS SYSTEM
-EMOTIONAL RESPONSE -TEMPERATURE REGULATION -THIRST AND WATER BALANCE -LINKS NERVOUS AND ENDOCRINE SYSTEM |
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WHAT IS THE EPITHALAMUS?
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THE MOST DORSAL PORTION
--HOUSES THE PINEAL GLAND ----SLEEP/WAKE CYCLE |
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WHAT ARE THE 3 PARTS OF THE BRAINSTEM?
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1) MIDBRAIN
2) PONS 3) MEDULLA OBLONGATA |
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WHAT IS THE BRAIN STEM SIMILAR TO?
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THE SPINAL CORD
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THE BRAIN STEM HAS WHAT INSIDE THAT TRACTS DONT HAVE?
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NUCLEI OF GRAY MATTER IN THE WHITE MATTER
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WHAT DOES THE BRAINSTEM PRODUCE?
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PROGRAMMED, AUTOMATIC BEHAVIORS NECESSARY FOR SURVIVAL
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WHERE IS THE MIDBRAIN LOCATED?
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BETWEEN THE DIENCEPHALON AND THE PONS
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WHAT DOES THE MIDBRAIN CONTAIN?
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BUNDLES OF FIBERS THAT CONNECT LOWER PARTS OF BRAINSTEM AND SPINAL CORD TO HIGHER BRAIN CENTERS
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WHAT DOES THE CEREBRAL AQUEDUCT DO?
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CONNECTS 3RD AND 4TH VENTRICLES
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WHAT IS A CEREBRAL PEDUNCLES?
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BUNDLES OF NERVE FIBERS IN MIDBRAIN
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WHAT CONNECTS MIDBRAIN TO CEREBELLUM?
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SUPERIOR CEREBELLAR PEDUNCLE
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CORPORA QUADRIGEMINA (DORSAL SURFACE)
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SUPERIOR--VISUAL FEFLEX CENTER
INFERIOR--AUDITORY REFLEX CENTER |
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PONS IS WHAT?
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ROUNDED BULGE UNDERNEATH BRAINSTEM BETWEEN MEDULLA OBLONGATA AND MIDBRAIN
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WHAT DOES PONS DO?
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RELAYS NERVE IMPULSES TO AND FROM SPINAL CORD, CEREBELLUM
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IN THE PONS, WHAT CONNECTS HIGHER BRAIN CENTERS TO SPINAL CORD?
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LATERAL FIBERS
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WHAT CONNECTS THE PONS TO CEREBELLUM?
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TRANSVERSE AND DORSAL FIBERS
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WHAT DOES THE PONS ASSIST WITH?
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BREATHING REGULATION
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MEDULLA OBLONGATA IS WHERE IN BRAIN STEM?
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MOST INFERIOR PART OF BRAIN STEM
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WHAT FORMS AN ENLARGED CONTINUATION OF SPINAL CORD?
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MEDULLA OBLONGATA
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WHAT CONDUCTS IMPULSES BTN BRAIN AND SPINAL CORD?
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MEDULLA OBLONGATA
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WHAT CONTAINS NUCLEI THAT REGULATE IMPORTANT CONTROL CENTERS FOR CARDIAC, VASOMOTOR, AND RESPIRATORY ACTIVITIES?
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MEDULLA OBLONGATA
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THE MEDULLA OBLONGATA REGULATES WHAT 4 THINGS?
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COUGHING, SNEEZING, SWALLOWING, AND VOMITING
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MEDULLA OBLONGATA
WHAT ARE PYRAMIDS? |
TRACTS DESCENDING FROM THE MOTOR CORTEX
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MEDULLA OBLONGATA
--DECUSSATION OF THE PYRAMIDS? |
CROSSOVER OF MOTOR CONTROL
BRAIN HEMISPHERE CONTROLS MUSCLE ACTIVITY ON OPPOSITE SIDE |
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CEREBELLUM
WHAT DOES THIS MEAN? |
LITTLE BRAIN
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CEREBELLUM
LOCATED? |
INFERIOR TO OCCIPATAL LOBES
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CEREBELLUM
POSTERIOR TO WHAT? |
PONS AND MEDULLA OBLONGATA
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CEREBELLUM
2 HEMISPHERES CONNECTED BY? |
VERMIS
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CEREBELLAR CORTEX IS MADE OF ?
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GRAY MATTER
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CEREBELLUM
ARBOR VITAE IS MADE OF WHAT? |
WHITE MATTER
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CEREBELLUM
CEREBELLAR PEDUNCLES? |
NERVE FIBER TRACTS
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CEREBELLUM
DENTATE NUCLEUS? |
LARGEST NUCLEUS IN CEREBELLUM
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WHAT INTEGRATES SENSORY INFO CONCERNING POSITION OF BODY PARTS?
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CEREBELLUM
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WHAT BOTH COORDINATES SKELETAL MUSCLE ACTIVITY AND MAINTAINS POSTURE?
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CEREBELLUM
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LOCATION OF LIMBIC SYSTEM?
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PORTIONS OF FRONTAL LOBE
PORTIONS OF TEMPORAL LOBE HYPOTHALAMUS THALAMUS BASAL NUCLEI OTHER DEEP NUCLEI |
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FUNCTIONS OF LIMBIC SYSTEM?
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CONTROL EMOTIONS
PRODUCES FEELINGS INTERPRETS SENSORY IMPULSES |
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WHAT IS THE RETICULAR FORMATION?
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NETWORK OF NERVE FIBERS IN BRAIN STEM
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THE RETICULAR FORMATION EXTENDS INTO THE ---------?
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DIENCEPHALON
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THE RETICULAR FORMATION CONNECTS TO THE ------------?
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HYPOTHALAMUS
BASAL NUCLEI CEREBELLUM CEREBRUM |
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THE RETICULAR FORMATION FILTERS WHAT?
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INCOMING SENSORY INFO
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WHAT AROUSES CEREBRAL CORTEX INTO A STATE OF WAKEFULLNESS?
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RETICULAR FORMATION
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SLOW WAVE SLEEP?
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NON-REM SLEEP
PERSON IS TIRED RESTFUL DREAMLESS |
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DURING SLOW WAVE SLEEP ACTIVITY OF RETICULAR SYSTEM IS ?
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DECREASING
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DURING SLOW WAVE SLEEP BLOOD PRESSURE AND RESPIRATORY RATES WHAT?
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REDUCE
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RANGES OF SLOW WAVE SLEEP?
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LIGHT TO HEAVY
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SLOW WAVE SLEEP ALTERNATES WITH WHAT?
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REM SLEEP
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REM SLEEP? 4 THINGS?
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PARADOXAL SLEEP
SOME AREAS OF BRAIN ARE ACTIVE HEART AND RESPIRATORY RATES IRREGULAR DREAMING OCCURS |
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SHORT TERM MEMORY
4 THINGS? |
CALLED WORKING MEMORY
CLOSED NEURONAL CIRCUIT CIRCUIT IS STIMULATED OVER AND OVER WHEN FLOW IN CEASES, SO DOES MEMORY UNLESS ENTERS LTM VIA MEM. CONSOLIDATION |
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LONG TERM MEMORY
2 THINGS |
CHANGES STUC AND FUNC OF NEURONS
ENHANCES SYNAPTIC TRANSMISSION |
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MENINGES ARE WHAT?
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MEMBRAIN THAT SURROUNDS AND PROTECTS THE CNS
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MENINGES 3 LAYERS?
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DURA MATER --OUTER, TOUGH
ARACHNOID MATER- THIN, WEBLIKE PIA MATER-- INNER, VERY THIN |
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MENINGES
DURA MATER...what is it? |
OUTERMOST MEMBRANE
CONTAINS BLOOD VESSELS AND NERVES |
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MENINGES
ARACHNOID MATER...what is below it? |
BENEATH A.M. LIES SUB-ARACHNOID SPACE...THAT IS FILLED WITH CSF AND SERVES AS BRAIN CUSHION.
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MENINGES
PIA MATER |
INNER LAYER
MANY NERVES AND BLOOD VESSELS = NOURISHMENT DIPS INTO GROOVES AND CONTOURS |
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WHAT 3 THINGS PROTECT THE SPINAL CORD?
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BONE,
MENINGES CSF (CEREBRO-SPINAL FLUID) |
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IS DURA MATER ATTACHED TO BONE OF THE VERTEBRA
|
NO
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SPACE BTN DURA MATER AND THE BONE IS CALLED?
|
EPIDURAL SPACE (SUBDURAL) AND IS FILLED WITH LOOSE CT AND FAT
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CSF FILLS THE -------------- AND ------------?
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SUBARACHNOID SPACE AND CENTRAL CANAL
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DURA AND ARACHNOID MEMBRANES EXTEND TO WHERE?
|
S2
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WHAT SECRETES CSF?
|
CHOROID PLEXUS
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WHERE DOES THE CSF CIRCULATE?
|
VENTRICLES
CENTRAL CANAL SUBARCHNOID SPACE |
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CSF 3 THINGS ABOUT IT?
|
CLEAR LIQUID
PROVIDES PROTECTION AND NUTRITION HELPS MAINTAIN ION CONCENTRACTIONS IN CNS |
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WHAT IS A PROTECTIVE MECHANISM TO MAINTAIN CONSTANT ENVIROMENT IN BRAIN?
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BLOOD/BRAIN BARRIER
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3 LAYERS OF BLOOD/BRAIN BARRIER?
|
ENDOTHELIUM OF THE CAPPILARY
BASEMENT MEMBRANE (BASAL LAMINA) THE FEET OF THE ASTROCYTES (THESE PROVIDE THE SIGNAL TO TIGHTEN THE ENDO THELIAL JUNCTIONS) |
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THE BLOOD / BRAIN BARRIER IS SELECTIVE BUT NOT ABSOLUTE?
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INFEFECTIVE VS. LIPIDS OR GASES
(ALCOHOL, NICOTINE, ANETHETICS) |
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WHAT IS THE SPINAL CORD?
|
SLENDER COLUMN OF NERVOUS TISSUE CONTINOUS WITH BRAIN
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THE SPINAL CORD GOES THRU WHAT?
|
VERTEBRAL CANAL
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THE SPINAL CORD BEGINS WHERE?
|
FORAMEN MAGNUM
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WHERE DOES THE SPINAL CORD TERMINATE AT?
|
1ST OR 2ND LUMBAR
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SPINAL CORD HAS HOW MANY PAIRS OF SPINAL NERVES?
|
31
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PURPOSE OF CERVICAL AND LUMBAR ENLARGEMENTS?
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TO MAKE ROOM FOR HOW NERVES DEAL WITH ARMS
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3 PARTS SPINAL CORD?
|
CONUS MEDULLARIS
CAUDA EQUINA FILUM TERMINALE |
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2 FUNTIONS OF SPINAL CORD?
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CENTER FOR SPINAL REFLEXES
CONDUIT FOR NERVE IMPULSES TO AND FROM BRAIN |
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SPINAL CORD
ASCENDING TRACTS? |
CONDUCT SENSORY IMPULSES TO BRAIN
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SPINAL CORD
DESCENDING TRACTS? |
CONDUCT **MOTOR** IMPULSES FROM THE BRAIN TO MOTOR NEURONS REACHING MUSCLES AND GLANDS
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3 TYPES OF ASCENDING TRACTS?
|
FASCICULUS GRACILIS AND
FASCICULUS CUNEATUS SENSE TOUCH, PRESSURE, MOVEMENT FROM SKIN, MUSCLES, TENDONS, AND JOINTS |
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3 DESCENDING TRACTS?
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CORTICOSPINAL
RETICULOSPINAL RUBROSPINAL |
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SPINAL CORD DAMAGE
TRANSECTION? |
LEADS TO TOTAL MOTOR AND SENSORY LOSS
-PARPLEGIA -QUADRAPLEGIA |
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POLIOMYELITIS?
|
DESTRUCTION OF VENTRAL HORN MOTOR NEURON BY POLIO VIRUS
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ALS
|
PROG. DESTRUCTION OF VENTRAL HORN MOTOR NEURONS AND PYRAMIDAL FIBERS
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