involuntary muscle


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involuntary muscle

[in′väl·ən‚ter·ē ′məs·əl]
(physiology)
Muscle not under the control of the will; usually consists of smooth muscle tissue and lies within a vescus, or is associated with skin.
References in periodicals archive ?
--Twitches and involuntary muscle contraction in upper arm
OMD is considered as a focal dystonia involving mouth, jaw, and tongue, manifested by involuntary muscle contractions producing repetitive, patterned movements of the involved structures.
If your electrolytes are out of balance, the normal electrical messages can become mixed up, which can lead to involuntary muscle contractions and sometimes to a loss of consciousness.
A Nighttime leg cramps are involuntary muscle contractions in the calf, feet, and thigh muscles that tend to occur more often with age.
Table 1: Key points for clinical diagnosis Myoclonus Brief, shocklike involuntary contraction of a muscle or group of muscles Dystonia Involuntary muscle contraction that can cause slow repetitive movements or abnormal postures Tremor Involuntary rhytmic contraction of antagonistic muscles Chorea Involuntary irregular movement that starts in one part of the body and moves unpredictably and continously to another part, like "dancing" Myokymia Involuntary spontaneous quivering, writhing movements within a single muscle not extensive enough to cause a movement of a joint
Involuntary muscle | movement, disorientation, elevated heart rate and laboured breathing are common immediate effects.
If distemper remains untreated, it will lead to neurological signs as the virus reaches the central nervous system, including circling, head tilt, involuntary muscle twitching and paralysis.
Organophosphorus poisoning can be differenciate from other condition when an animal is presents with signs of sweating, iosis, tearing, excess salivation, excessive respiratory tract secretions, vomiting, cyanosis, involuntary muscle twitching, convulsion, coma, loss of reflexes and loss of sphincter control (John et al., 1971).
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Leg cramps--sudden, involuntary muscle contractions or spasms that last from a few seconds to several minutes--are common in people over age 50.
Fiona, who suffers from dyastonia, a brain condition which causes involuntary muscle contractions, added: "I've had it for around 12 months and most of the call-outs have been false alarms.

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