Medical Dictionary
vitellarium
noun vi·tel·lar·i·um \ˌvīt-əl-ˈar-ē-əm\
plural vi·tel·lar·ia \-ē-ə\
Medical Definition of VITELLARIUM
: a modified part of the ovary that in many flatworms and rotifers produces yolk-filled cells serving to nourish the true eggs
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