producing yolk
• (a.) Producing yolk, or vitelline substance; -- applied to certain cells (also called nutritive, or yolk, cells) formed in the ovaries of many insects, and supposed to supply nutriment to the developing ova.
Vit`el·lig'e·nous adjective (Zoology) Producing yolk, or vitelline substance; -- applied to certain cells (also called nutritive , or yolk , cells ) formed in the ovaries of many insects, and supposed to supply nutriment to the developing ova. 
vitelligenous Yolk producing or producing yolk.