資料來源 : Webster's Revised Unabridged Dictionary (1913)

Vitelligenous \Vit`el*lig"e*nous\, a. (Zo["o]l.)
   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.