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From New Latin, from vitellus (yolk) + -ārium (place associated with).


vitellarium (plural vitellaria)

  1. A type of gland, in flatworms and similar organisms, that secretes yolk.
    • 1988, K. G. Adiyodi, Reproductive Biology of Invertebrates, Accessory Sex Glands, page 41:
      In the hymenolepid cestode Fimbriaria fasciolaris, the vitellaria and uterus are continuous throughout the strobila.
    • 2015 July 8, “Convergent Reduction of Ovariole Number Associated with Subterranean Life in Beetles”, in PLOS ONE[1], DOI:10.1371/journal.pone.0131986:
      Germarium and vitellarium are distinct and the latter contains one or two small, immature basal oocytes.

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