gross anatomy of brain and cranial nerves

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auditory area

temporal lobe

primary motor area

frontal lobe

primary sensory area

parietal lobe

olfactory area

temporal lobe

visual area

occipital lobe

broca's area

frontal lobe

which structures are NOT apart of brain

cerebral hemispheres, cerebellum, diecephalon

gyrus

an elevated ridge of cerebral tissue

surface area

convolusions seen in cerebrum increase these

neuron cell bodies

gray matter is composed of these

myelinated fibers

white matter is composed of these

association tract

fiber tract that provides for communication between different parts of the same cerebral hemispheres

projection

fiber tract that carries impulses to the cerebrum, and from the cerebrum to lower CNS areas

basal nuclei

lentiform nucleus along with the caudate nuclei are collectively called this

hypothalamus

site of regulation of body temp and water balance, most important autonomic center

cerebral hemisphere

consciousness depends on the function of this part of the brain

corpora quadrigemina

located in the midbrain, contains reflex centers for vision and audition

cerebellum

responsible for regulation of posture and coordination of complex muscular movements

thalamus

important synapse site for afferent fibers traveling to sensory cortex

medulla oblongata

contains autonomic centers regulating blood pressure, heart rate, and respiratory rhythm, as well as coughing, sneezing, and swallowing centers

corpus callosum

large commissure connecting the cerebral hemispheres

fornix

fiber tract involved with olfaction

cerebral aqueduct

connects the third and fourth ventricles

thalamus

encloses the third ventricle

forebrain

diencephalon, including thalamus, optic chiasma, hypothalamus

hindbrain

medulla, pons, cerebellum

forebrain

cerebral hemispheres

basal ganglia

involved in regulation, modulation, refinement of voluntary motor activity

corpus striatum

fibers of the internal capsule pass between basal nuclei, giving them a striped appearance, striped body

split brain

when corpus callosum cut

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