单词 | trophonema |
释义 | > as lemmastrophonema trophonema n. Brit. /ˌtrɒfə(ʊ)ˈniːmə/ , /ˌtrəʊfə(ʊ)ˈniːmə/ , U.S. /ˌtrɑfəˈnimə/ , /ˌtroʊfəˈnimə/ (plural trophonemata) [ < tropho- comb. form + -nema suffix] (in certain viviparous fishes) any of the glandular uterine villi supplying nutrients to the embryos.ΘΚΠ the world > animals > fish > parts of fish > [noun] > part of uterus trophonema1891 1891 J. Wood-Mason & A. Alcock in Proc. Royal Soc. 1890–91 49 363 We propose to term the villiform structures of the uterine mucous membrane in Selachians, which essentially secrete nutriment, trophonemata. 1950 Philos. Trans. (Royal Soc.) B. 234 301 The trophonemata in the uterus of this fish were luxuriantly developed. 2010 A. Amiel et al. in M.-H. Verlhac & A. Villeneuve Oogenesis iii. 88 The trophonema forms from endodermal cells in contact with the young oocyte. < as lemmas |
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