| 单词 | pectinate muscle |
| 释义 | > as lemmaspectinate muscle pectinate muscle n. see sense 1b. pectinate muscle b. Anatomy. Designating the parallel ridges of myocardium present on the inner surface of right atrium and both auricular appendages. Chiefly in pectinate muscle. ΚΠ 1848 R. Dunglison Med. Lexicon (ed. 7) 634/2 Pectinated muscles, the fascicular texture observed in the right auricle of the heart:—Musculi Auriculæ Pectinati.] 1890 Cent. Dict. (at cited word) Pectinate muscles, the musculi pectinati of the heart. 1914 Philos. Trans. (Royal Soc.) B. 205 389 The tænia, taking a straight course to the inferior cava, forms a base from which the pectinate bands sweep slightly away around the body of the right auricle. 1952 C. D. O'Malley & J. B. de C. M. Saunders Leonardo da Vinci on Human Body 216 The heart muscle was divided into external and internal or extrinsic and intrinsic, the ventricular wall forming the first and the papillary and pectinate muscles, the second. 2002 Pacing & Cardiac Electrophysiol. 25 342 The right atrium contains prominent muscular bundles and an extensive array of pectinate muscles. < as lemmas |
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