(anatomy) A muscle whose contraction narrows a vessel or passage or compresses an organ. / Ellipsis of boa constrictor.: a python or similar snake that kills by constriction.

plural of constrictor

plural of constrictor

A large tropical American snake, Boa constrictor, that kills its prey by squeezing them. / (formerly) Any large python.

plural of boa constrictor

A type of knot or hitch often used to fasten the neck of a sack of grain or flour. This knot has diverse practical applications as it is very stable and can be difficult to release.

plural of constrictor knot

(anatomy) One of the three muscles that constrict the pharynx.

(anatomy) A muscle of the pharynx that is the thickest of its three constrictors, arises from the surface and side of the cricoid and thyroid cartilages, inserts into the median line at the back of the pharynx, and acts to constrict part of the pharynx in swallowing.

(anatomy) A fan-shaped muscle of the pharynx that arises from the ceratohyal and thyrohyal of the hyoid bone and from the stylohyoid ligament, inserts into the median line at the back of the pharynx, and acts to constrict part of the pharynx in swallowing.