10/16/06
Terms
undefined, object
copy deck
- What does the diencephalon surround and what is part of it?
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-surrounds the third ventricle
-Thalamus, hypothalamus, and epithalamus - What is the thalamus and what is its function?
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-major part of diencephalon
-primary relay center for all sensory impulses except olfaction (smell)
-directs impulses to correct part of cerebral cortex
-if too many impulses at once, decides to go into shock - What does the hypothalamus do and contain?
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-monitors blood, nervous system, and endocrine system
-regulates body temperature
-emotional behavior
-controls food/water intake
-causes sleep-wake syndrome (biological clock)
-runs pituitary gland
-houses mammilary bodies - What is the pituitary gland and what does it porduce?
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-"master gland"
-produces hormones - What do mammillary bodies do?
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-controls olfactory reflexes (sniff, sneeze)
-controls taste reflexes (salivation) - What is part of the epithalimus?
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-pineal gland
-habicular nuclei - What does the pineal gland produce?
- -produces melatonin (sleep aid)
- What do habicular nuclei do?
- -responsible for visceral and emotional responses to odors (salivation, stomach growl, onion crying, relation to previous odors)
- What is the Mesensephalon and what is it made of?
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-mid-brain
-made of corpus quadrigemina (2 superior colliculi and 2 inferior colliculi)
-peduncles
-red nuclei
-substantia nigra
-reticular formation - What are the superior colliculi used for?
- -used for hand-eye coordination (visual reflexes)
- What are the inferior colliculi used for?
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-used for auditory reflexes
-controls vibration of middle ear to prevent rupture of tympanic membrane - What are cerebral peduncles and what do they do?
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-bundles of projection fibers
-carries impulses from cerebral hemisphere to lower brain