A & P Chapter 10 Nervous Tissue

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MADE UP OF BRAIN AND SPINAL CORD

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CNS

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ACTS AS CENTRAL PROCESSING UNIT ALL OF NERVOUS SYSTEM

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CNS

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4 C'S OF CNS

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COMMUNICATE
COMMAND
CONTROL
COORDINATE

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THE LARGEST PART OF BRAIN CONTROLS COMPLEX ACTIVITIES, AND COMPLEX MOTOR CONTROL

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CEREBRUM

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CONTROLS MUSCLES, REGULATES POSTURE& BALANCE SOME IN COGNITION

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CEREBELLUM

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RELAYS SENSORY INFO TO THE CEREBRUM & CONTROLS ANS

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DIENCEPHALON

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RELAYS MOTOR IMPULSES ,INVOLVED IN VITAL SYSTEM CONTROL AND CONTRIBUTES TO SENSORY ORGAN CONTROL

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BRAINS STEM

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PROVIDES PHYSICAL PROTECTION OF THE BRAIN FROM INJURY

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SKULL

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PREVENTS THE PASSAGE OF HARMFUL SUBSTANCES FROM THE BLOOD STREAM IN TO BRAIN

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BLOOD BRAIN BARRIER

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CREATED BY TIGHT JUNCTION BETWEEN THE CAPILLARY CELLS& BY ASTROCYTES

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BLOOD BRAIN BARRIER

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3 LAYERS OF PROTECTIVE COVERING SURROUNDING THE BRAIN AND SPINAL CORD

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MENINGES

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NAME 3 LAYERS OF MENINGES

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DURA OUTER
ARACHNOID MIDDLE
PIA INNER

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CLEAR LIQUID IN SKULL AND SPINAL COLUMN TO PROTECT FROM CHEMICAL OR PHYSICAL INJURY

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CSF

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NETWORKS OF CAPILLARIES IN THE WALLS OF THE VENTRICLES AND WHERE CSF PROCDUCED

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CHOROID PLEXUS

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LOCATION WHERE CSF IS REABSORBED AND DUMPED INTO BRAINS SINUS CAVITY FOR DRAINAGE

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ARACHNOID VILLI

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THE TISSUE LAYER THAT DEVELOPS INTO THE NEURAL PLATE

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ECTODERM

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FLAT LAYER OF NERVOUSS TISSUE THAT WILL THEN DEVELOP INTO NEURAL TUBE

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NEURAL PLATE

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THE NEURAL PLATE ROLLS INTO THE NEURAL TUBE THAT DEVELOPS INTO THE BRAIN AND SPINAL CORD

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NEURAL TUBE

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PROSENCEPHALON DEVELOPS INTO THE

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FORBRAIN

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MESENCEPHALON DEVELOPS INTO THE

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MIDBRAIN

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DEVELOPS INTO THE HINDBRAIN

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RHOMBENCEPHALON

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3 PRIMARY BRAIN VESICLES THAT DEVELOP INTO SECONDARY VESICULES THEN INTO ALL PARTS OF THE BRAIN

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PROSENCEPHALON
MESENCEPHALON
RHOMBENCEPHALON

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AREA OF BRAIN THATS LIES BETWEEN THE SPINAL CORD AND DIENCEPH.

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BRAIN STEM

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3 REGIONS OF THE BRAINSTEM

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MEDULLA
PONS
MIDBRAIN

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NETWORK OF GREY & WHITE MATTER INTERSPERESED & EXTENDS THROUGHOUT THE BRAINSTEM

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RETICULAR FORMATION

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REGULATES VITAL BODY FUNCTIONS AND SOME NONVITAL

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MEDULLA OBLONGATA

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LOCATED DIRECTLY ABOVE THE SPINAL CORD CONTROLS HEARTBEAT & BREATHING

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MEDULLA OBLONGATA

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PROJECTIONS OF WHITE MATTER FORMED BY MOTOR TRACTS PASSING INTO SPINAL CORD FROM CEREBRUM

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PYRAMIDS

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RELAYS IMPULSES BETWEEN THE MEDULA &
MIDBRAIN

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PONS

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HELPS CONTROL BREATHING AND CONTAINS CRANIAL NERVES 5-8

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PONS

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RELAYS MOTOR IMPULSES FROM CEREBRAL CORTEX TO PONS , SENSORY IMPULSES FROM THE SPINAL CORD TO THALMUS

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MIDBRAIN MESENCEPHALON

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COORDINATES EYE MOVEMENTS WITH INCOMING VISUAL STIMULI

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SUPERIOR COLLICILI

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COORDINATES HEAD & TRUNK MOVEMENTS WITH AUDITORY STIMULI CONTAINS CRAN, 3 & 4

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INFERIOR COLLICULI

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2ND LARGEST PART OF THE BRAIN CONTAINS HALF OF TOTAL NEURONS

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CEREBELLUM

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CONSIDERED PART OF THE HINDBRAIN, COORDINATES SKILLED MOVEMENT
LANG, ROLE IN LEARNING

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CEREBELLUM

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CONNECTS RIGHT AND LEFT CEREBELLAR HEMISPHERES WITH 3 PEDUNCLES

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VERMIS

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RIDGES LINING THE OUTER GRAY MATTER OF THE CEREBULLUM

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FOLIA

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MAINTAINS POSTURE AND BALANCE

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FLOCCULONODULAR LOBE

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PART OF THE FOREBRAIN EXTENDS FROM THE BRAIN STEM TO CEREBRUM CONTROLS ANS AND SENSORY RELAY

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DIENCEPHALON

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DIENCEPHALON MADE OF WHAT 4 PARTS

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THALMUS
HYPOTHALMUS
EPITHALAMUS
SUBTHALAMUS

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COMPROMISES 80 % OF DIENCEPH. GATEWAY TO CEREBRAL CORTEX LOCATED IN VERY CENTER OF BRAIN

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THALMUS

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ALL INCOMING SENSORY INFO PASSES THROUGH
PRIMARY RELAY STATION

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THALMUS

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RESPONSIBLE FOR CRUDE PERCEPTION OF TOUCH
PRESSURE, PAIN, TEMP, SOME ANS ACTIVITIES

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THALMUS

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INFERIOR TO THALMUS
MAJOR CONTROL CENTER FOR ANS & ENDOCRINE SYSTEM

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HYPOTHALMUS

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REGULATES MANY BASIC FUNCTIONS AND HOMEOSTASIS (FOOD H20 CIRCADIAN RHY, EMOTION

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HYPOTHALMUS

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SUPERIOR AND POSTERIOR TO THALMUS
CONSIST OF PINEAL GLAND
AND HABENULAR NUCLEI

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EPITHALMUS

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LARGEST PART OF THE BRAIN USED MOST FOR COGNITION AND ALL HIGHER BRAIN FUNCTIONS

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CEREBRUM

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DIVIDES THE 2 HEMISPHERES OF THE CEREBRUM

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LONGITUDINAL FISSURE

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BROAD BAND OF WHITE MATTER CONTAINS AXONS CONNECT THE 2 HALFS OF BRAIN ALLOWS FOR COMM

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CORPUS COLLOSUM

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FOLDS THAT INCREASE THE SURFACE AREA THE RESULT OF GREY MATTER FORMS RAPIDLY THAN WHITE DURING EMBRYONIC STAGE

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FRONTAL
PARIETAL
OCCIPITAL
TEMPORAL
INSULA

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valley that runs lateral across both central hemispheres
seperates motor and sensory cortex

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central sulcus