| 单词 | yolk gland |
| 释义 | > as lemmasyolk gland C1. General attributive (chiefly in sense 1c), as yolk cell, yolk gland, yolk mass, etc. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [adjective] > ovum > yolk yolked1584 vitelliferous1819 vitelline1835 yolk1836 vitellary1847 vitelligenous1859 vitelligine1864 vitellogenous1878 alecithal1880 centrolecithal1880 heterolecithal1892 homolecithal1892 vitelligerous1898 isolecithal1926 ovovitelline1945 vitellogenetic1961 vitellogenic1964 1836 Edinb. Med. & Surg. Jrnl. 45 408 The germinal vesicle does not follow in the Mammalia and in man, the same relations in size as in the bird, where in this respect, it is proportioned to the yolk-ball. 1842 W. Baly tr. J. Müller Elem. Physiol. II. viii. i. i. 1511 The sharks and rays may therefore be distinguished even by the form of the yolk-cells of their ova. 1857 P. H. Gosse Omphalos xi. 330 The yelk-globe, fastened by its twisted chalazæ, is suspended in a glairy fluid (albumen). 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 18 Special particles—yolk--granules—may appear in its protoplasm. 1914 Amer. Jrnl. Anat. 15 495 In the same primordial germ-cell fixed with osmic acid some of the yolk spheres will be intensely black while others will be brown or yellowish. 1951 L. B. Hyman Invertebrates II. 119 The yolk glands may discharge directly into the oviducts as in triclads, in which case the oviducts are more properly termed ovovitelline ducts. 1969 E. Shikata in Virus Dis. Rice Plant xx. 229 The virus particles entered the oocytes at the yolk-forming stage. 2007 Crustaceana 80 1060 The fertilized egg is oval or globular and dark green in colour. It is filled with a granular yolk mass. < as lemmas |
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