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Definition of Ectolecithal
1. a. Having the food yolk, at the commencement of segmentation, in a peripheral position, and the cleavage process confined to the center of the egg; as, ectolecithal ova.
Definition of Ectolecithal
1. Adjective. (biology) Having the food yolk, at the commencement of segmentation, in a peripheral position, and the cleavage process confined to the centre of the egg. ¹
¹ Source: wiktionary.com
Medical Definition of Ectolecithal
1.