1. Anything that binds or squeezes a part. SEE ALSO: inferior c. (muscle) of pharynx, middle c. (muscle) of pharynx, superior pharyngeal c. (muscle). 2. A muscle, the action of which is to narrow a canal; a sphincter. [L. fr. constringo, to draw together]

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con·stric·tor -'strik-tər n a muscle that contracts a cavity or orifice or compresses an organ see INFERIOR CONSTRICTOR, MIDDLE CONSTRICTOR, SUPERIOR CONSTRICTOR

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any muscle that compresses an organ or causes a hollow organ or part to contract.

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con·stric·tor (kən-strikґtər) 1. an instrument that constricts a part or vessel. 2. a muscle that constricts a part; see terms beginning musculus constrictor. See also compressor.

Medical dictionary. 2011.

Look at other dictionaries:

  • constrictor — CONSTRICTÓR, OÁRE, constrictori, oare, adj. Care se restrânge, care se contractă ♢ Muşchi constrictor = muşchi care se contractă şi închide orificiile naturale din corpul vieţuitoarelor. – Din fr. constricteur. Trimis de IoanSoleriu, 13.09.2007.… …   Dicționar Român

  • Constrictor — Студийный альбом Элиса Купера …   Википедия

  • Constrictor — may refer to: Biology: Any snake that kills its prey by constriction A boa constrictor, a large non venomous boas found primarily in Central and South America. A taxonomic synonym for Python, a.k.a. pythons, a genus of non venomous pythons found… …   Wikipedia

  • Constrictor — Con*strict or, n. 1. That which constricts, draws together, or contracts. [1913 Webster] 2. (Anat.) A muscle which contracts or closes an orifice, or which compresses an organ; a sphincter. [1913 Webster] 3. (Zo[ o]l.) A serpent that kills its… …   The Collaborative International Dictionary of English

  • Constrictor [1] — Constrictor (Anat.), Schnürmuskel, Muskelbündel, welche ringförmig eine Höhlung od. Öffnung[402] umgibt, also auch so v. w. Schließmuskel. Bes. Constrictores pharyngis (Constrictor phar. inferior, medius, superior), die Schlundkopfschnürer …   Pierer's Universal-Lexikon

  • Constrictor [2] — Constrictor (Zool.), 1) so v. w. Boa constrictor, eine der bekanntesten Riesenschlangen, s.d.; 2) (Constrictores), bei Oppel Schlangen mit verkürztem, abgerundetem Schwanze, ohne Giftzähne u. mit Fußstacheln beim After; darunter die Gattungen Boa …   Pierer's Universal-Lexikon

  • Constrictor — (lat.), Zusammenzieher, Schließmuskel (s.d.), z. B. C. am, Afterschließmuskel (s. Darm) …   Meyers Großes Konversations-Lexikon

  • Constrictor — (lat.), Schnürmuskel, Schließmuskel (s.d.) …   Kleines Konversations-Lexikon

  • constrictor — Músculo que produce el estrechamiento de un orificio, como las fibras del cuerpo ciliar que controlan el tamaño de la pupila. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud, Ediciones Hancourt, S.A. 1999 …   Diccionario médico

  • constrictor — 1735, agent noun in Latin form from CONSTRICT (Cf. constrict) …   Etymology dictionary

  • constrictor — constrictor, ra 1. adj. Que produce constricción. 2. Med. Dicho de un medicamento: Que se emplea para constreñir. U. t. c. s. m.) …   Diccionario de la lengua española

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