vitellarium

/ˌvɪ.tɛˈlɛə.ɹi.əm/

Etymology

Derived from New Latin, from vitellus (“yolk”) + -ārium (prefix: place associated with). By surface analysis, vitell- + -arium. See also English vitellus.

noun

A type of gland, in flatworms and similar organisms, that secretes yolk.“In the hymenolepid cestode Fimbriaria fasciolaris, the vitellaria and uterus are continuous throughout the strobila.”