oligolecithal

ol·i·go·lec·i·thal

(ol'i-gō-les'i-thal),
Having little yolk; denoting an egg in which only a little scattered deutoplasm is present.
[oligo- + G. lekithos, yolk]
Farlex Partner Medical Dictionary © Farlex 2012

oligolecithal

(of an egg) having little yolk.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005