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ectolecithal(ĕk″tō-lĕs′ĭ-thăl) [″ + lekithos, yolk]
Pert. to an ovum having food yolk placed near the surface.
Medical Dictionary, © 2009 Farlex and Partners
ectolecithal(of eggs) having the yolk around the outside.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005