rotator

SYN: r. muscle. See rotatores (muscles), under muscle. [L. See rotation]
- medial r. a muscle that turns a part medialward. SEE ALSO: invertor. SYN: intortor.

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ro·ta·tor 'rō-.tāt-əralso rō-' n, pl rotators or ro·ta·to·res .rōt-ə-'tōr-ēz a muscle that partially rotates a part on its axis specif any of several small muscles in the dorsal region of the spine arising from the upper and back part of a transverse process and inserted into the lamina of the vertebra above

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n.
a muscle that brings about rotation of a part. The rotatores are small muscles situated deep in the back between adjacent vertebrae. They help to extend and rotate the vertebrae.

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ro·ta·tor (roґta-tər) 1. causing rotation. 2. a muscle that rotates a body part; see musculi rotatores.

Medical dictionary. 2011.

Look at other dictionaries:

  • Rotator —   [lateinisch »der in einem Kreis herumdreht«] der, s/... toren, Physik: in der (newtonschen) Mechanik die Idealisierung eines starren Körpers als zwei in einem festen Abstand starr miteinander verbundene Punktmassen (starrer Rotator). Der… …   Universal-Lexikon

  • rotator — rotatór s. m., adj. m., pl. rotatóri Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  ROTATÓR adj., s. m. (muşchi) care permite răsucirea unui os în jurul axei sale. (< fr. rotateur) Trimis de raduborza, 15 …   Dicționar Român

  • rotator — ròtātor (rotȃtor) m DEFINICIJA 1. aparat za umnožavanje kopija na voštanome papiru; ciklostil 2. anat. mišić obrtač, mišić okretač; sam ili s mišićima sinergistima rotira neki dio tijela u jednom zglobu ETIMOLOGIJA vidi rotacija …   Hrvatski jezični portal

  • Rotator — Ro*ta tor, n. [L.] 1. (Anat.) that which gives a rotary or rolling motion, as a muscle which partially rotates or turns some part on its axis. [1913 Webster] 2. (Metal.) A revolving reverberatory furnace. [1913 Webster] …   The Collaborative International Dictionary of English

  • rotator — ► NOUN 1) a thing which rotates or which causes something to rotate. 2) Anatomy a muscle whose contraction causes or assists in the rotation of a part of the body …   English terms dictionary

  • rotator — [rō′tāt΄ər] n. 1. a person or thing that rotates pl. rotatores [rō΄tə tôr′ēz΄] 2. Anat. a muscle that serves to rotate a part of the body …   English World dictionary

  • Rotator — rotatorius statusas T sritis fizika atitikmenys: angl. rotator vok. Rotator, m rus. ротатор, m pranc. rotator, m …   Fizikos terminų žodynas

  • rotator — /roh tay teuhr/ or, esp. Brit, /roh tay /, n., pl. rotators for 1, 3, rotatores /roh teuh tawr eez, tohr / for 2. 1. a person or thing that rotates. 2. Anat. a muscle serving to rotate a part of the body. 3. Naut. a bladed device streamed to… …   Universalium

  • Rotator — Rota̱tor m; s, ...to̱ren: übliche Kurzbezeichnung für: Musculus rotator …   Das Wörterbuch medizinischer Fachausdrücke

  • Rotator — Ro|ta|tor der; s, ...toren <aus spätlat. rotator »Herumdreher« zu lat. rotare, vgl. ↑rotieren>: 1. mechanisches System aus einem um ein Zentrum in einer Ebene kreisenden od. sich auf einer Kugelschale bewegenden Massepunkt bzw. Körper (Phys …   Das große Fremdwörterbuch

  • rotator — ro•ta•tor [[t]ˈroʊ teɪ tər[/t]] esp. brit. [[t]roʊˈteɪ [/t]] n. pl. ro•ta•tors, ro•ta•tor•es [[t]ˌroʊ təˈtɔr iz, ˈtoʊr [/t]] 1) a person or thing that rotates 2) anat. a muscle serving to rotate a part of the body • Etymology: 1670–80; < L… …   From formal English to slang

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