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单词 pectoral muscle
释义

> as lemmas

pectoral muscle
pectoral muscle n. Anatomy and Zoology each of the four large paired muscles (pectoralis major and minor) which cover the front of the ribcage and serve to draw the forelimbs towards the chest (frequently in plural).
ΚΠ
1615 H. Crooke Μικροκοσμογραϕια 776 The first is called Pectoralis the Pectorall Muscle, so named from his situation, because it occupieth the forepart of the Chest.
1675 Philos. Trans. (Royal Soc.) 10 482 The Pectoral Muscles in Birds are the..strongest.
1818 Philos. Trans. (Royal Soc.) 108 27 The great pectoral muscle, going from the first bone of the sternum to the first bone of the pectoral fin, and a small one under it which may be called the small pectoral muscle.
1910 Encycl. Brit. I. 941/1 A little below it [sc. the nipple] the lower limit of the great pectoral muscle is seen running upward and outward to the axilla.
1998 Zest July 108/1 Exercise your pectoral muscles regularly by doing weights on a bench that's [etc.].
extracted from pectoraln.adj.
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as lemmas
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