spasmo-, spasm-, spas- +

(Greek > Latin: draw, tear, rend, pull; tension, convulsion; sudden, involuntary contractions)

A painful involuntary spasm of the bladder, often without urination.
1. Vascular spasm or cramp of fingers or toes.
2. The spasmodic contraction of the fingers or toes.
3. A cramp or twitching of the fingers or toes.
A painful, intense contraction, or spasm of the intestine.
1. Spasm of the walls of the esophagus.
2. Strong, uncoordinated, nonpropulsive contractions of the esophagus evoked by deglutition (swallowing), especially in the elderly.

On barium radiography, the esophageal lumen appears as an irregular series of concentric narrowings, or a spiral coil (curling).

1. Spasmodic contraction of the tongue.
2. Spasm of the tongue muscles.
1. Writer’s cramp.
2. Muscular spasms of thumb and forefinger while writing with a pen or pencil.

A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting.

Similar focal dystonias have also been called typist's cramp, pianist's cramp, musician's cramp, golfer's cramp, and computer cramp.

A condition characterized by spasmodic rotary movements of the head.
laloneurosis (spasmodic)
Stuttering as a result of a central nervous-system disease.
1. A closure of the larynx that blocks the passage of air to the lungs.
2. The sudden acute spasm of the vocal cords (and epiglottis) that can result in occlusion, or closing, of the airway and in death.
1. Explosive speech; stuttering.
2. Spasmodic word enunciation.

Sometimes used as an equivalent of logoclonia which is the spasmodic repetition of words or parts of words, particularly the end syllables, often occurring in Alzheimer's disease.

myospasm, myospasmus
Spasmodic muscular contraction.
narcospasm (s) (noun), narcospasms (pl)
Spasm that is accompanied by stupor; a state of reduced or suspended sensibility or a condition of mental numbness.
A spasm caused by a disorder in the motor nerves supplying the muscles.
Spasmodic contraction of the long finger flexors and of the small hand muscles occurrng in cases of motor neuron disease during electrical stimulation of the forearm muscles.
phonic spasm
a spasm of the laryngeal muscles occurring when attempting to speak, usually a component of a conversion reaction, but also seen in professional singers and speakers due to faulty voice production.