Glands surrounding the oviducts which produce yolk cells. Yolk cells deposited into the oviducts travel to the genital atrium where they are packaged, along with one or more zygotes, into developing egg capsules. [ http://www.ncbi.nlm.nih.gov/pubmed/18942102 http://www.ncbi.nlm.nih.gov/pubmed/27149082 http://www.ncbi.nlm.nih.gov/pubmed/16932928 ]

Glands surrounding the oviducts which produce yolk cells. Yolk cells deposited into the oviducts travel to the genital atrium where they are packaged, along with one or more zygotes, into developing egg capsules. [ ]

Synonyms: yolk gland vitellarium vitellaria