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A&P CH9 word parts
A&P CH9 Nervous system
Term | Definition |
---|---|
ax- | (axle) axon: cylindrical nerve fiber that carries impulses away from a neuron cell body |
dendr- | (tree) dendrite: branched nerve cell process that serves as a receptor surface of a neuron |
funi- | (small cord or fiber) funiculus: major nerve tract or bundle of myelinated nerve cell axons within the spinal cord |
gangli- | (a swelling) ganglion: mass of neuron cell bodies |
-lemm | (rind or peel) neurilemma: sheath that surrounds the myelin of a nerve cell axon |
mening- | (membrane) meninges: membranous coverings of the brain and spinal cord |
moto- | (moving) motor neuron: neuron that stimulates a muscle to contract or a gland to secrete |
peri- | (all around) peripheral nervous system: portion of the nervous system that consists of nerves branching from the brain and spinal cord |
plex- | (interweaving) choroid plexus: mass of specialized capillaries associated with spaces in the brain |
sens- | (feeling) sensory neuron: sensory receptor that stimulates a neuron to conduct impulses into the brain or spinal cord |
syn- | (together) synapse: junction between two neurons |
ventr- | (belly or stomach) ventricle: fluid-filled space within the brain |