pectoralis majorn.

Brit.

/pɛktəˌreɪlɪs ˈmeɪdʒə/,

/pɛktəˌrɑːlɪs ˈmeɪdʒə/, U.S.

/ˈˌpɛktəˌræləs ˈmeɪdʒər/

Origin: A borrowing from Latin. Etymon: Latin pectoralis maior.

Etymology: < post-classical Latin pectoralis maior < pectoralis pectoralis n. + classical Latin maior major adj., originally after French grand pectoral (1732 in the source translated in quot. 1733).

Anatomy and Zoology.

The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus.

ΘΚΠ

the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > vertebral or costal region

saw-muscle1615

subclavian muscle1615

subclavius1615

latissimus dorsi1616

pectoralis1618

intercostal1681

pectoral1702

pectoralis major1733

pectoralis minor1734

serratus1827

lat1939

pec1949

pect1963

1733 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body I. §iii. 138 Both Muscles taken together may be a common Antagonist to the Pectoralis Major, when that whole Muscle acts at the same time.

1770 Philos. Trans. 1769 (Royal Soc.) 59 39 The orifice was situated near the axilla, upon the lower edge of the pectoralis major.

1825 Lancet 20 Aug. 211/2 The pectoralis major becomes more pushed up.

1850 Topogr. Anat. (Amer. Inst. Homeopathy) 32 Bonded..anteriorly and posteriorly by the inner surfaces of the pectoralis major and latissimus dorsi.

1901 Gray's Anat. (rev. ed.) 250 The scapula is drawn..forward by the Serratus magnus and Pectoralis minor, assisted, when the arm is fixed, by the Pectoralis major.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xix. 309 Corresponding to this muscle anteriorly is the large triangular pectoralis major muscle which arises from the sternum, the clavicle, and the external oblique muscle.

2001 N.Y. Rev. Bks. 20 Sept. 51/3 This demanded..what was called an ‘en bloc’ dissection to include the axillary lymph nodes and the major chest muscle, the pectoralis major.

This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pectoralis major
释义	pectoralis majorn. Brit. /pɛktəˌreɪlɪs ˈmeɪdʒə/, /pɛktəˌrɑːlɪs ˈmeɪdʒə/, U.S. /ˈˌpɛktəˌræləs ˈmeɪdʒər/ Origin: A borrowing from Latin. Etymon: Latin pectoralis maior. Etymology: < post-classical Latin pectoralis maior < pectoralis pectoralis n. + classical Latin maior major adj., originally after French grand pectoral (1732 in the source translated in quot. 1733). Anatomy and Zoology. The main muscle of the chest, involved primarily in shoulder movement (including the downward movement of the wing in birds), in humans originating from the second to fourth ribs, clavicle, and sternum and inserting on the humerus. ΘΚΠ the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > vertebral or costal region saw-muscle1615 subclavian muscle1615 subclavius1615 latissimus dorsi1616 pectoralis1618 intercostal1681 pectoral1702 pectoralis major1733 pectoralis minor1734 serratus1827 lat1939 pec1949 pect1963 1733 G. Douglas tr. J. B. Winslow Anat. Expos. Struct. Human Body I. §iii. 138 Both Muscles taken together may be a common Antagonist to the Pectoralis Major, when that whole Muscle acts at the same time. 1770 Philos. Trans. 1769 (Royal Soc.) 59 39 The orifice was situated near the axilla, upon the lower edge of the pectoralis major. 1825 Lancet 20 Aug. 211/2 The pectoralis major becomes more pushed up. 1850 Topogr. Anat. (Amer. Inst. Homeopathy) 32 Bonded..anteriorly and posteriorly by the inner surfaces of the pectoralis major and latissimus dorsi. 1901 Gray's Anat. (rev. ed.) 250 The scapula is drawn..forward by the Serratus magnus and Pectoralis minor, assisted, when the arm is fixed, by the Pectoralis major. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xix. 309 Corresponding to this muscle anteriorly is the large triangular pectoralis major muscle which arises from the sternum, the clavicle, and the external oblique muscle. 2001 N.Y. Rev. Bks. 20 Sept. 51/3 This demanded..what was called an ‘en bloc’ dissection to include the axillary lymph nodes and the major chest muscle, the pectoralis major. This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1733
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