| 释义 |
Wolffian, a. Anat. and Zool.|ˈwʊlfɪən|
[f. the name of the German embryologist K. F. Wolff (1733–94) + -ian.]
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.
1844Hoblyn Dict. Med., Wolffian Bodies, false kidneys... The substance by which the kidneys are preceded in the embryo, and which was first remarked by Wolff. 1859Todd's Cycl. Anat. V. 594/1 The parovarium is formed out of the Wolffian body. 1874Foster & Balfour Elements 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. 1879tr. Haeckel's Evol. Man. II. 414 The earlier, primitive kidney duct is distinguished as the ‘Wolffian duct.’ 1931A. Robinson Cunningham's Text-bk. Anat. (ed. 6) 76 By the end of the first month..the Wolffian ridges have appeared. 1976N. J. Berrill Development 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. |