| 单词 | semilunar fold |
| 释义 | > as lemmassemilunar fold b. Zoology, Botany, and Anatomy (e.g. semilunar cartilage, semilunar fold, semilunar ganglion, semilunar valve: see quots.). ΘΚΠ the world > life > biology > physical aspects or shapes > shape > [adjective] > other shapes plummet-like1605 semilunar1681 cordated1698 cordate1760 obcordate1775 club-shaped1776 flabelliform1777 obovate1785 button-shaped1791 clavate1803 placentiform?a1808 obovoid1819 valviform1819 constricted1826 vulviform1829 mitrate1836 bipenniform1842 sandaliform1848 scopiform1852 obclavate1856 obcordiform1857 oboval1857 utriform1860 broadsword-shaped1870 placentoid1885 hypsiloid1886 1681 N. Grew Musæum Regalis Societatis i. ii. 103 The Snout [sc. of the River-Whale] flat. Both the Chaps before of a Semilunar figure. 1719 J. Quincy Lexicon Physico-medicum (1722) Semilunar Valves, thus called from their resemblance in shape to a half moon. 1728 E. Chambers Cycl. Semi-Lunar Valves,..are little Valves or Membranes of a Semilunar Figure, placed in the Orifice of the Pulmonary Artery, to prevent the Relapse of the Blood into the Heart at the time of its Dilatation. 1753 Chambers's Cycl. Suppl. (at cited word) All the species of the semi~lunar shells have few convolutions. 1765 Philos. Trans. 1764 (Royal Soc.) 54 180 In the abdomen this nerve unites with the par vagum of the right side, and together form the great semi-lunar Ganglion. 1769 T. Pennant in Philos. Trans. 1768 (Royal Soc.) 58 93 Between the toes is a strong semilunar membrane. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 133 The Semilunar Bone (os Lunatum), is smaller and less elongated than the scaphoid. Its upper surface is convex and smooth. 1839–47 Todd's Cycl. Anat. & Physiol. III. 84/2 The lacrymal caruncle and semilunar fold. 1840 E. Wilson Anatomist's Vade Mecum (1842) 69 The semilunar bone may be known by having a crescentic concavity, and a somewhat crescentic outline. 1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 474 The nasal opening in males is irregularly semilunar. 1871 C. Darwin Descent of Man I. i. 23 In man..[the third eyelid] exists..as a mere rudiment, called the semilunar fold. 1873 St. G. Mivart Lessons Elem. Anat. v. 183 Two inter-articular cartilages, called semilunar, are..interposed between the cartilaginous articular surfaces of the femur and those of the tibia. < as lemmas |
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