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36 Cards in this Set

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