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18 Cards in this Set
- Front
- Back
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rostral cerebellar peduncle = __________________
contains what? |
brachium conjunctivum
primarily cerebellar efferents from cerebellum to midbrain and brachium pontis (=middle cerebellar peduncle) |
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middle cerebellar peduncle = __________________
contains what? |
brachium pontis
motor information from cerebral cortex via pontine nuclei to cerebellum |
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caudal cerebellar peduncle = ______________
contains what? |
restiform body + juxtarestiform body
spinal afferent fibers to the cerebellum |
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association fibers within the _____________
-2 types; what do each connect? |
cerebrum
1. short: gyrus to gyrus
2. long: lobe to lobe |
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comissural fibers = ? |
fibers that cross corpus callosum connecting homologous areas of left and right hemispheres |
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projection fibers: |
pass to and from cortex and subcortical areas (thalamus, corpus striatum, brain stem) via corona radiata and internal capsule |
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fibers of corpus callosum run __________ and intermingle ____________ with fibers of the _____________ |
transversely laterally internal capsule |
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[ + ] = corpus striatum
what is the corpus striatum? basic function? |
putamen + caudate nucleus
mass of grey matter at base of hemispheres with motor function |
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[ + ] = lenticular nucleus |
putamen + globus pallidus |
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septum pellucidum divides the lateral ventricles and stretches between what 2 structures? |
corpus callosum and fornix |
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corpora quadrigemina = ____________
composed of what 4 bodies? |
tectum
paired caudal colliculi + paired cranial colliculi |
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caudal brachium connects what to what? |
caudal colliculus<----->medial geniculate body
(part of thalamus) |
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rostral brachium connects what to what? |
rostral colliculus to thalamus (lateral geniculate body) |
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pyramids in medulla are continuations of what? |
some of the fiber bundles of the cerebral peduncles (contain corticospinal fibers) |
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what is the subthalamus? |
transition zone between tegmentum of midbrain and thalamus (rostrally) |
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thalamus function: |
senosory and integrative |
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hypothalamus function |
control center of ANS |
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component structures of the hypothalamus (6) |
1. optic chiasm 2. optic tracts 3. infundibulum 4. neurohypophysis 5. tuber cinereum (attachment of infundibulum) 6. mammilary bodies |
