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OTS 515 Test 2

Nervous System

WordDefinition
Central Nervous System the system consisting of the brain and spinal cord; supervises and coordinates the activity of the entire nervous system
Peripheral Nervous System nervous system that is outside of the central nervous system; comprises the cranial nerves (except the optic nerve, spinal nerves, and the autonomic nervous system)
Anencephaly congenital absence of all or a major part of the brain
Cerebral Cortex the convoluted surface layer of gray matter of the brain that functions chiefly in coordination of sensory and motor information
Basal Ganglia deeply placed mass of gray matter within the cerebral hemisphere comprising the caudate nucleus, the lentiform nucleus, the amygdala, and that claustrum
Thalamus the largest subdivision of the brain which serves to relay impulses and especially sensory impulses to and from the cerebral cortex
Limbic System a group of subcortial structures of the brain that are concerned with emotion and motivation
Brain Stem the part of the brain composed of the midbrain, pons, and medulla oblongata and connecting the spinal cord wit the forebrain and cerebrum
Cerebellum largely dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenance of bodily equilibrium, situated between the brain stem and the back of the cerebrum and formed of two lateral lobes and a median lobe
Spinal Cord the thick cord of nervous tissue that extends along the back; serves as a center for carrying out and coordinating many reflex actions independently of the brain
Created by: emerly130