The Collaborative International Dictionary
Vitellogene
Vitellogene \Vi*tel"lo*gene\, n. [See Vitellus, and -gen.] (Zo["o]l.) A gland secreting the yolk of the eggs in trematodes, turbellarians, and some other helminths.
Wiktionary
vitellogene
n. (context zoology English) A gland secreting the yolk of the eggs in trematodes, turbellarians, and some other helminths.