central nervous system
brain and spinal cord
branch from cell body that conducts impulses towards cell body
covers the axon of some neurons
smalll space between the synaptic end fibers of one neuron and the dendrites of another
star shaped cells with numerous radiating fingers surrounding the outside
engulf debris, waste products and pathogens in the nerve tissue
transmit impulses toward the brain and spinal cord
transmit impulses away from the brain and spinal cord
protects spinal cord
membranes that protect and surround the cns
innermost layer of the meninges
provides cushioning effect for the central nervous system
tough, white connective tissue that surrounds and supports the large venous channels carrying blood from the brain toward the heart
controls consciousness, memory, sensations, emotions and voluntary movements
relay station for incoming and outgoing nerve impulses
manufactured in hypothalamus to help uterus contract during labor
essential in maintaining muscle tone and coordinating normal movement and balance
aids in respiration, part of the brain stem
aids in blood pressure and heart rate regulation, part of the brain stem
pathway for impulses traveling to and from the brain
somatic nervous system
voluntary and can be consciously controlled
cell bodies outside the cns that carries impulses to the involuntary muscles and glands
body's primitive, automatic, inborn response that prepares the body to "flight or fight"
decreased heart rate
simplest form of nervous system
inflammation of nerve
characterized by pain radiating down buttocks, behind knee down to foot
temporary or permanent unilateral weakness or paralysis of the muscles in the face
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