The orange-yellow yolk gland of female snails is usually shaken loose and not eaten.
2.
Proglottids have a central ovary, with a vitellarium ( yolk gland ) posterior to it.
3.
Tapeworms of the family-- > Dilepididae, which have genital openings on both sides ), and a compact yolk gland or vitellarium posterior to the ovary.
4.
"' Neoophora "'is a group of flatworms with ectolecithal eggs, i . e ., yolk is not present in the egg, but rather secreted by accessory organs called vitellaria or yolk glands.
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