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单词 trophonema
释义

trophonema

noun

troph·​o·​ne·​ma
ˌträfəˈnēmə
plural trophonemata
-ˈnēmətə -ˈnem-
: one of the glandular filaments that develop from the inner uterine surface in viviparous elasmobranchs and secrete a nutritive fluid for the embryo

Word History

Etymology

New Latin, from troph- + -nema

First Known Use

1891, in the meaning defined above

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更新时间:2026/6/11 1:03:23