1. A muscle, contraction of which causes compression of any structure. 2. An instrument for making pressure on a part, especially on an artery to prevent loss of blood. SYN: compressorium.
- c. urethrae [TA] part of female external urethral sphincter arising from the ischiopubic rami, posterior to the plane of the urethra, passing anteriorly and medially to fuse with the contralateral muscle anterior to the urethra and blending with the other parts of the external urethral sphincter (sphincter urethrovaginalis inferiorly and sphincter urethrae superiorly). SEE ALSO: external urethral sphincter.
- c. venae dorsalis penis a variation of the bulbospongiosus muscle in which some fibers pass dorsal to the dorsal vein of the penis; thought at one time to be an important component in the mechanism of erection. SYN: Houston muscle.

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com·pres·sor -'pres-ər n one that compresses: as
a) a muscle that compresses a part
b) a machine that compresses gases

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com·pres·sor (kəm-presґər) [L.] 1. an instrument that compresses a vessel. 2. a muscle that compresses or presses down on a part; see also constrictor.

Medical dictionary. 2011.

Look at other dictionaries:

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  • Compressor — Com*press or, n. [L.] Anything which serves to compress; as: (a) (Anat.) A muscle that compresses certain parts. (b) (Surg.) An instrument for compressing an artery (esp., the femoral artery) or other part. (c) An apparatus for confining or… …   The Collaborative International Dictionary of English

  • compressor — |ô| adj. 1. Que comprime. • s. m. 2.  [Anatomia] Músculo compressor. 3.  [Cirurgia] Instrumento próprio para exercer compressão …   Dicionário da Língua Portuguesa

  • Compressor — (lat., Zusammendrücker, Anat.); C. nasi, Muskel, welcher die Nasenflügel zusammendrückt, s. Kopfmuskel; C. prostătae, Muskel, durch dessen Wirkung der Saft der Vorsteherdrüse (s.d.) ausgepreßt wird …   Pierer's Universal-Lexikon

  • Compressor —   [englisch, kəm presə], Kompressor …   Universal-Lexikon

  • compressor — ► NOUN 1) an instrument or device for compressing something. 2) a machine used to supply air or other gas at increased pressure …   English terms dictionary

  • compressor — [kəmpres′ər] n. 1. a person or thing that compresses 2. a muscle that compresses a part 3. a machine, esp. a pump, for compressing air, gas, etc …   English World dictionary

  • compressor — [1] A mechanism in a refrigerator or air conditioner that pumpsvaporizedrefrigerant out of the evaporator, compresses it to a relatively high pressure and then delivers it to the condenser. [2] A tool for compressing a coil spring, such as a… …   Dictionary of automotive terms

  • compressor — /keuhm pres euhr/, n. 1. a person or thing that compresses. 2. Anat. a muscle that compresses some part of the body. 3. Surg. an instrument for compressing a part of the body. 4. a pump or other machine for reducing volume and increasing pressure …   Universalium

  • compressor — UK [kəmˈpresə(r)] / US [kəmˈpresər] noun [countable] Word forms compressor : singular compressor plural compressors a machine that compresses air or gas …   English dictionary

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