spasmo-, spasm-, spas- +
(Greek > Latin: draw, tear, rend, pull; tension, convulsion; sudden, involuntary contractions)
2. Painful spasm or cramp.
2. A localized, intermittent contracture of a blood vessel.
2. An agent that relieves spasm.
2. The involuntary forcible closure of the eyelids.
The first symptom may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved.
The spasms may leave the eyelids completely closed causing functional blindness even though the eyes and vision are normal.
Blepharospasm is a form of focal dystonia (a condition of either excessive or inadequate muscle tone).
2. Failure of the muscle fibers at the lower end of the esophagus to relax, resulting in swallowing difficulty and regurgitation.
Hypocalcaemia is abnormally low calcium concentration, which can result in muscle cramps, abdominal cramps, spasms, and hyperactive deep tendon reflexes.
Hyperventilation refers to the depth and rate of breathing which is greater than that required by the needs of the body. Such a condition can cause dizziness and tingling of the fingers and toes.
The sustained tight contraction of the muscular wall of the vagina, most commonly as a feature of vaginismus.
