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Vocab 10.16.12
n/a
15
Anatomy
11th Grade
10/16/2012

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Term
Somatic nervous system
Definition
motor pathways of the peripheral nervous system that leads to the skin and skeletal system.
Term
peripheral nervous system
Definition
portions of the nervous system outside the central nervous system, PNS.
Term
autonomic nervous system
Definition
portion of nervous system that controls the viscera.
Term
ventricles
Definition
cavity, such as brain ventricles filled with cerebrospinal fluid, or heart ventricles that contain blood.
Term
reflexes
Definition
rapid, automatic response to stimulus.
Term
dendrite
Definition
process of neurons that receives input from other neurons.
Term
reflex arc
Definition
nerve pathway, consisting of a sensory neuron, inter neuron, and motor neurons, that forms the structural and functional bases are a reflex.
Term
Node of Ranvier
Definition
short region of exposed axon between Schwann cell on neurons of the peripheral nervous system.
Term
effector
Definition
muscle or gland that effects change in the body.
Term
receptor
Definition
specialized cells provide information about enviornment cell surface structures that bind particular molecules called, ligands, thereby transmitting a signal to the inside cell.
Term
Spinal nerves
Definition
nerve that arises from the spinal cord.
Term
Schwann Cell
Definition
type of neurological cell that surrounds a fiber of peripheral nerve, forming the neurilemma and myelin.
Term
Somatic
Definition
pertaining to the body.
Term
myelin sheath
Definition
fatty material that forms a sheathlike covering around some nerve fibers/
Term
axon
Definition
nerve fibers; conducts nerve impulses away from a neuron cell body.
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