Nervous System Flashcards
afferent
carry or move inward or toward a central structure
blood-brain barrient
protective mechanism that prevents certain substances from passing from the blood into brain tissue
efferent
carry or move away from a central structure
limbic system
complex neural system located beneath the cerebrum that controls basic emotion and drives and plays an important role in memory
neurilemma
additional external myelin sheath produced by schwann cells that is only found on axons of nerves in the peripheral nervous system
ventricle
small organ chamber or cavity that receives or holds fluid
cerebr/o
cerebrum
cerebrotomy
incision of the cerebrum
crani/o
cranium (skull)
encephal/o
brain
encephalocele
herniation of the brain
gangli/o
ganglion (knot or knotlike mass)
gli/o
glue; neuroglial tissue
kinesi/o
movement
bradykinesia
condition of slow movement
lept/o
thin, slender
leptomeningopathy
disease of the thin meninges
lex/o
word, phrase
dyslexia
difficulty using words
mening/o
meninges (membranes covering the brain and spinal cord)
meningi/o
meninges (membranes covering the brain and spinal cord)
myel/o
bone marrow; spinal cord
poliomyelitis
inflammation of the gray matter of the spinal cord (polio: gray matter; gray)
narc/o
stupor; numbness; sleep