Central Nervous System
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Created by:
scottalexander on April 10, 2012
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26 terms
Terms | Definitions |
|---|---|
 gyri | elevated ridges in the cerebral hemisphere |
| sulci | shallow grooves in the cerebral hemisphere |
| cerebral cortex | the outer gray matter region of the |
| frontal lobe | lobe directly behind forehead |
| parietal lobe | lobe above the ear |
| occipital lobe | lobe in the back of the head |
| temporal lobe | lobe on the side of head behind ear |
| insula | lobe buried deep within the lateral sulcus |
| longitudinal fissure | separates the cerebral hemispheres of the brain |
| central sulcus | separates the frontal lobe from the parietal lobe |
| lateral sulcus | outlines temporal lobe and separates it from the parietal and frontal lobes |
| transverse fissure | separates the cerebral hemispheres from the cerebellum below |
| dura mater | the outermost and toughest of the three membranes covering the brain |
| arachnoid mater | weblike; specifically, the weblike arachnoid matter, the middle layer of the three meninges |
| hypothalamus | region of the diencephalon forming the floor of the third ventricle of the brain |
| infundibulum | a stalk of tissue that connects the pituitary gland to the hypothalamus |
| pineal gland | a hormone-secreting part of the brain thought to be involved in setting the biological clock and influencing reproductive function |
| pituitary gland | neuroendocrine gland located beneath the brain that serves a variety of functions including regulation of gonads, thyroid, adrenal cortex, lactation, and water balance |
| pia mater | innermost layer of the meninges |
| brain stem | the midbrain, pons, and medulla |
| midbrain | conduction pathway between higher and lower brain centers. its superior and inferior colliculi are visual and auditory reflex centers |
| corpora quadrigemina | inferior and superior colliculus of the midbrain |
| pons | conduction pathway between higher and lower brain centers. relays information from the cerebrum to the cerebellum. cooperates with medulla to control respiratory rate and depth |
| medulla oblongata | conduction pathway between higher brain centers and spinal cord, controls heart rate, blood vessel diameter, respiratory rate, vomiting, coughing |
| cerebellum | provides coordination for skeletal muscle contractions |
| arbor vitae | white matter of the cerebellum |
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