heterolecithal

[ het-er-uh-les-uh-thuhl ]

adjective

, Embryology.

1. having an unequal distribution of yolk, as certain eggs or ova.

heterolecithal

/ ˌhɛtərəʊˈlɛsɪθəl /

adjective

1. See isolecithal
   (of the eggs of birds) having an unequally distributed yolk Compare isolecithal

Word History and Origins

Origin of heterolecithal¹

First recorded in 1890–95; hetero- + lecithal

Word History and Origins

Origin of heterolecithal¹

C19: hetero- + Greek lekithos egg yolk