Nervous System - Vocabulary Flashcards Preview

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Flashcards in Nervous System - Vocabulary Deck (41):
1

acetylcholine (ACh)

Cholinergic neurotransmitter

2

amnesia

condition of lack of memory

3

amyotrophic lateral schlerosis (ALS)

muscular weakness, atrophy, with spasticity caused by degeneration of motor neurons of the spinal cord, medulla, and cortex; also known as Lou Gehrig's disease.

4

anencephaly

congenital condition in which there is a lack of development in the brain

5

aphagia

lack of ability to eat or swallow

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apraxia

lack of ability to use objects properly; inability to perform motor tasks or ADL's

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asthenia

loss or lack of strength

8

ataxia

lack of order; lack of coordination of muscle movement

9

bradykinesia

abnormal slowness of motion

10

cephalalgia

headache

11

cerebral palsy (CP)

disorder of movement and posture

12

concussion

head injury with a transient loss of brain function

13

craniectomy

surgical excision of a portion of the skull

14

dyslexia

condition in which an individual has difficulty in reading and comprehending written language

15

encephalitis

inflammation of the brain

16

endorphins

chemical substances produced in the brain that act as natural analgesics and provide feelings of pleasure

17

hemiparesis

weakness on one side of the body

18

hemiplegia

paralysis of one half of the body when its divided along the median sagittal plane

19

quadriplegia

complete paralysis of the upper extremities and lower part of the body.

20

paraplegia

paralysis of the lower part of the body

21

hydrocephalus

condition in which there is an increased amount of cerebrospinal fluid within the brain

22

hypnosis

artificially induced trancelike state

23

meningitis

inflammation of the meninges of the spinal cord or brain.

24

narcolepsy

chronic condition with recurrent attacks of uncontrollable drowsiness and sleep

25

neuralgia

pain in a nerve

26

neurilemma

thin membranous sheath that envelops a nerve fiber; also called the sheath of Schwann or neurolemma

27

neuroglia

supporting or connective tissue cells of the central nervous system

28

neurotransmitter

chemical substances such as dopamine and acetylcholine transmitted across a synapse that transmits a signal between two neurons

29

oligodendroglioma

malignant tumor derived and composed of oligodendroglioma

30

Parkinson's Disease

progressive neurological disorder caused by degeneration of nerve cells in the part of the brain that controls movement

31

pheochromocytoma

chromaffin cell tumor of the adrenal medulla

32

receptor

sensory nerve ending that receives and relays responses to stimuli

33

stroke

death of focal brain tissue that occurs when the brain does not get sufficient blood and oxygen; also called CVA cerebrovascular accident or brain attack

34

transient ischemic attack TIA

temporary interference in the blood supply to the brain; sometimes referred to as ministroke

35

syncope

fainting

36

tactile

p. to sense of touch

37

vagotomy

surgical incision of the vagus nerve

38

computed tomography CT

procedure used to study the structure of the brain

39

lumbar puncture LP

insertion of a needle into the lumbar for removal of spinal fluid

40

myelogram

x-ray of the spinal canal after the injection of a radiopaque dye

41

positron emission tomography PET

nuclear imaging procedure that can produce three dimensional pictures of actual organ functioning