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36 Cards in this Set
- Front
- Back
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primitive brain
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pons and midbrain
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dura mater
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outer thick tough layer surrounding brain and spine
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arachnoid membrane
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soft and spongy brain layer
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pia matter
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where blood vessels are contained
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subrachortical space
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between pia and mater and arachnoid, contains CSF
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choroid plexus
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part of ventricles where CSF is produced
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Arachnoid granulations
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where CSF is reabsorbed into blood
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Obstructive hydrocephalus:
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when walls of ventricles expand and blood vessels are occluded. Can be cured by drilling hole in skull and inserting shunt tube into a ventricle
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cerebral aqueduct
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connects 3rd and 4th ventricles
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sulcus
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groove
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fissure
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bigger groove
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gyrus
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buldge between adjacent fissures or sulci
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white matter
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myelin
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grey matter
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cell bodies
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central sulcus
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separates primary somatosensory with primary motor
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neocortex
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newest part, contains motor, sensory and association cortices
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limbic cortex
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amygdala, hippocampus, hypothalamus..
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cingulate gyrus
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strip of limbic cortex lying along lateral walls of the groove separating the cerebral hempisheres, just above the corpus collosum
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hippocampus
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part of the limbic system, includes hippocampus proper, dentate gyrus, and subiculum
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amygdala
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structure in the interior of the rostral temporal lobe, has to do with emotions (fear)
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Fornix
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bundle of axons that connects hippocampus with other regions of brain including mammilary bodies
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Basal ganglia
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collection of subcortical nuclei which lie beneath lateral ventricles – important part of motor system (parkinson’s disease) , sequence learning, Contains:
Caudate nucleus, putamen, golbus pallidus |
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Thalamus
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i) Connects to everything: TONS of input/output
ii) Major INTEGRATION area |
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hypothalamus
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links to pituitary gland (hormones), four F's, bodies rhythms (suprachiasmatic), mating, sexually dimorphic nucleus
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midbrain
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important for breathing
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rectiliar formation
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receives sensory info, projects axons; core of brainstem
(1) Sleep, arousal, attention, muscle tonus, movement, reflexes |
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Periaqueductal Gray
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Control sequences of movements in species-typical behaviors (fighting, mating), in midbrain, pain gating
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superior colliculus
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blindsight, in midbrain
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afferent
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IN, sensory input
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efferent
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out, motor info
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Peripheral nervous system
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two parts, everything besdies CNS
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sympathetic
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fight or flight, mediated by adrenal medulla
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parasympathetic
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relaxed state
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adrenal medulla
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secretes epinepherin and norepinepherin
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sections
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saggital, horizontal, transverse(frontal)
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meninges
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nervous systems protective tissue
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