con·stric·tor (k n-str k tr)n. One that constricts, especially 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.
constrictor [kon-strik´ter]
that which causes constriction.
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