In various invertebrates: the part of the ovary that produces yolk; the vitellarium or vitelline gland.
| 单词 | θ32352 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > division Vermes > [noun] > member of (worm) > female gland (2) vitelligene1857 In various invertebrates: the part of the ovary that produces yolk; the vitellarium or vitelline gland. vitellarium1865 An accessory gland in the female productive organs of some worms, by which the vitellus for the eggs is secreted; a yolk-gland. |
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