Physiology
- Muscle contraction and relaxation
- Convulsion, rapid and repeated muscle contraction and relaxation, resulting in uncontrolled shaking
- Fasciculation, a small, local, involuntary muscle contraction
- Myoclonic twitch, a jerk usually caused by sudden muscle contractions
- Myokymia, a continuous, involuntary muscle twitch that affects the muscles of the face, particularly the eyelids
- Spasm, a sudden, involuntary contraction of a muscle, group of muscles, hollow organ, or orifice
- Tic, an involuntary, repetitive, nonrhythmic movement or vocalization of sudden onset and involving discrete muscle groups
- Tremor, an involuntary, repetitive, somewhat rhythmic, muscle contraction and relaxation
Read more about this topic: Twitch
Famous quotes containing the word physiology:
“A physician’s physiology has much the same relation to his power of healing as a cleric’s divinity has to his power of influencing conduct.”
—Samuel Butler (1835–1902)
“The world moves, but we seem to move with it. When I studied physiology before ... there were two hundred and eight bones in the body. Now there are two hundred and thirty- eight.”
—Ellen Henrietta Swallow Richards (1842–1911)
“Now the twitching stops. Now you are still. We are through with physiology and theology, physics begins.”
—Alfred Döblin (1878–1957)