morpholecithal

morpholecithal Biol.

(mɔːfəʊˈlɛsɪθəl)

[f. mod.L. morpholecith-us, f. Gr. µορϕ-ή form + λέκιθος the yolk of an egg + -al¹.]

Pertaining to the yolk of the animal ovum (Cent. Dict. 1890).