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单词 vitellarium
释义 vitel·lar·i·um
\ˌvīd.əlˈa(a)rēəm, ˌvid.-\ noun
(plural vitellar·ia \-ēə\)
Etymology: New Latin, from vitell- + -arium
1. : a modified part of the ovary that in many flatworms and rotifers produces yolk-filled cells serving to nourish the true eggs — distinguished from germarium
2. : the part of an insect ovariole in which the egg cells grow to mature size
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