WK5: Key Terms Flashcards
Altered Neuronal Transmission
Ataxic
inability to control balance
Athetoid
a symptom characterized by slow, involuntary, convoluted, writhing movements of the fingers, hands, toes, and feet and in some cases, arms,
legs, neck and tongue.
Chromatolysis
Swelling of a neuron because of injury
clonic
A rapid successions of alternating muscle contraction and relaxation
contralateral
Referring to the opposite side of the body
diplegia
involving both legs
dyskinetic
Inability to control muscle movement
flaccid
relaxed without tone
hemiplegia
Involving one arm and one leg on the same side of the body
hyperpolarization
When the resting membrane potential is more negative than
normal
hypopolarization
When the resting membrane potential is less negative than normal
neuromodulator
chemical released from the ends of nerve cells (axon terminals) that can either inhibit (slow down or stop) or potentiate (increase or strengthen) the activity of other nerve cells
neuropathy
A problem of nerve degeneration resulting in delayed nerve conduction and impaired sensory function
nystagmus
Involuntary, irregular oscillation of the eye
paresthesia
Abnormal sensation, such as burning, pricking, tickling, or tingling
quadriplegia
Paralysis of all four extremities
spastic
increased muscle tone with exaggerated tendon reflexes
synapse
A small gap or junction separating cells
tonic
A state of continuous muscle contraction
