| 单词 | wolffian ridge |
| 释义 | > as lemmasWolffian ridge In Wolffian body, the mesonephron or primitive kidney; either of the two renal organs of the embryo of vertebrates; so Wolffian duct. Also Wolffian ridge, each of two longitudinal ridges on either side of the embryo on which the limb buds arise. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > kidney Wolffian body1844 mesonephros1877 nephrostoma1878 protonephros1879 Wolffian duct1879 the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > others gubernaculum1762 Wolffian ridge1874 gill pouch1882 pneogaster1890 telopore1890 spindle1898 hand plate1901 ear bud1905 dermatome1910 1844 R. D. Hoblyn Dict. Terms Med. & Collateral Sci. (ed. 2) Wolffian Bodies, false kidneys... The substance by which the kidneys are preceded in the embryo, and which was first remarked by Wolff. 1859 Todd's Cycl. Anat. & Physiol. V. 594/1 The parovarium is formed out of the Wolffian body. 1874 M. Foster & F. M. Balfour Elem. Embryol. I. vi. 143 The somatopleure..is raised up..into a low rounded ridge which runs along nearly the whole length of the embryo from the neck to the tail... This ridge..is known as the Wolffian ridge. 1879 tr. E. Haeckel Evol. Man II. 414 The earlier, primitive kidney duct is distinguished as the ‘Wolffian duct.’ 1931 Cunningham's Text-bk. Anat. (ed. 6) 76 By the end of the first month..the Wolffian ridges have appeared. 1976 N. J. Berrill Devel. xiv. 309 In amniotes the combined epidermal-mesenchymal thickening extends as a horizontal ridge along each side of the body (the Wolffian ridges). The intermediate part of the ridge later disappears, leaving anterior and posterior regions as the definitive limb areas. < as lemmas |
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