pec·to·ra·lis .pek-tə-'rā-ləs n, pl -ra·les -.lēz either of the muscles that connect the ventral walls of the chest with the bones of the upper arm and shoulder of which in humans there are two on each side:
a) a larger one that arises from the clavicle, the sternum, the cartilages of most or all of the ribs, and the aponeurosis of the external oblique muscle and is inserted by a strong flat tendon into the posterior bicipital ridge of the humerus called also pectoralis major
b) a smaller one that lies beneath the larger, arises from the third, fourth, and fifth ribs, and is inserted by a flat tendon into the coracoid process of the scapula called also pectoralis minor

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pec·to·ra·lis (pek″tə-raґlis) (-ralґis) [L., from pectus, q.v.] thoracic.

Medical dictionary. 2011.

Look at other dictionaries:

  • Pectoralis — (Adjektiv von lateinisch pectus „Brust“) ist Namensteil für: die beiden Brustmuskeln des Menschen: kleiner Brustmuskel, Musculus pectoralis minor großer Brustmuskel, Musculus pectoralis major die Brustmuskeln bei Haussäugetieren:… …   Deutsch Wikipedia

  • Pectorālis — (lat.), auf die Brust sich beziehend; Musculus pectoralis major, M. p. minor, großer u. kleiner Brustmuskel. Pectorale, das goldene Kreuz, welches die Bischöfe u. insulirten Äbte auf der Brust an einer Schnur od. goldenen Kette tragen. Pectoralĭa …   Pierer's Universal-Lexikon

  • Pectoralis —   [lateinisch »zur Brust gehörig«] der, /...les, Anatomie: der Brustmuskel …   Universal-Lexikon

  • pectoralis — vgl. pektoral …   Das Wörterbuch medizinischer Fachausdrücke

  • pectoralis — noun either of two large muscles of the chest (Freq. 1) • Syn: ↑pectoral, ↑pectoral muscle, ↑musculus pectoralis, ↑pecs • Derivationally related forms: ↑pectoral (for: ↑ …   Useful english dictionary

  • pectoralis — /pek teuh ral is, ray lis, rah /, n., pl. pectorales / ral eez, ray leez, rah /. Anat. either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major) assisting in drawing the shoulder… …   Universalium

  • Pectoralis — Pec|to|ra|lis [...k...] der; , ...les [...le:s] <aus gleichbed. lat. (musculus) pectoralis, vgl. ↑pektoral> Brustmuskel (Anat.) …   Das große Fremdwörterbuch

  • pectoralis — pec·to·ra·lis …   English syllables

  • Pectoralis major muscle — Pectoralis major Pectoralis major Gray s subject #122 436 …   Wikipedia

  • pectoralis major — n PECTORALIS (a) …   Medical dictionary

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