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LOM Ch 10 Nervous System Set 1
Language of Medicine, 9th Edition, Davi-Ellen Chabner
30
Medical
Professional
05/16/2010

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Cards

Term
acetylcholine
Definition
neurotransmitter chemical released at the ends of nerve cells
Term
afferent nerve
Definition
carries messages toward the brain and spinal cord (sensory nerve).
Term
toward
Definition
The prefix af- means _______
Term
carrying
Definition
The suffix -ferent means ________
Term
arachnoid membrane
Definition
middle layer of the three membranes that surround the brain and spinal cord
Term
spider
Definition
The Greek word arachne means ________
Term
astrocyte
Definition
type of glial cell that transports water and salts from capillaries
Term
autonomic nervous system
Definition
nerves that control involuntarybody functions of muscles, glands, and internal organs
Term
axon
Definition
microscopic fiber that carries the nervous impulse along a nerve cell.
Term
blood-brain barrier
Definition
blood vessels that selectively let certain substances enter the brain tissue and keep other substances out
Term
brainstem
Definition
lower part of the brain that connects the cerebrum with the spinal cord
Term
cauda equina
Definition
collection of spinal nerves below the end of the spinal cord
Term
cell body
Definition
part of a nerve cell that contains the nucleus
Term
central nervous system
Definition
brain and the spinal cord
Term
CNS
Definition
abbreviation for central nervous system
Term
cerebellum
Definition
posterior part of the brain that coordinates muscle movements and maintains balance
Term
cerebral cortex
Definition
outer region of the cerebrum, containing sheets of nerve cells--the gray matter of the brain
Term
cerebrospinal fluid
Definition
circulates throughout the brain and spinal cord
Term
CSF
Definition
What is the abbreviation for cerebral spinal fluid?
Term
cerebrum
Definition
largest part of the brain--responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memoy
Term
cranial nerves
Definition
twelve pairs of nerves that carry messages to and from the brain with regard to the head and neck
Term
False
Definition
T or F: Like other cranial nerves, the vagus nerve carries messages to and from the brain with regard to the head and neck
Term
dendrite
Definition
microscopic branching fiber of a nerve cell that is the first part to receive the nervous impulse
Term
dura mater
Definition
thick, outermost layer of the meninges surrounding and protecting he brain and spinal cord
Term
dura mater
Definition
Latin word meaning hard mother
Term
efferent nerve
Definition
carries messages away from the brain and spinal cord--a motor nerve
Term
ependymal cell
Definition
glial cell that lines membranes within the brain and spinal cord and helps form cerebrospinal fluid
Term
ganglion
Definition
collection of nerve cell bodies in the peripheral nervous system
Term
ganglia
Definition
plural of ganglion
Term
glial cell
Definition
supportive and connective nerve cell that does not carry nervous impulses--examples are astrocytes, microglial cells, ependymal cells, and oligodendrocytes
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