constrictor

constrictor

 [kon-strik´ter]

that which causes constriction.

con·stric·tor

(kon-strik'tor, -tōr),

1. Anything that binds or squeezes a part.
See also: inferior constrictor (muscle) of pharynx, middle constrictor (muscle) of pharynx, superior pharyngeal constrictor (muscle).

2. A muscle, the action of which is to narrow a canal; a sphincter.

[L. fr. constringo, to draw together]

constrictor

(kən-strĭk′tər)

n.

One that constricts, as a muscle that contracts or compresses a part or organ of the body.

constrictor

[kənstrik′tər]

a muscle that binds or restricts an opening, such as the ciliary body fibers that control the size of the pupil.

con·stric·tor

(kŏn-strik'tŏr)

1. Anything that binds or squeezes a part.

2. A muscle, the action of which is to narrow a canal; a sphincter.

[L. fr. constringo, to draw together]

constrictor

A muscle that contracts, narrows or compresses a part or organ of the body.

constrictor

a circular muscle, e.g. a precapillary sphincter