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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 |