vitellus

Example Sentences

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Up to this point the vitellus of the egg, nourished by endosmosis through its membranes, had sufficed for the nutrition of the still very small embryo.

From The Sexual Question A Scientific, psychological, hygienic and sociological study by Forel, Auguste

Vit′ellary, Vitell′ine, pertaining to the vitellus, or forming such.—n.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

As a consequence of this superficial concentration we get segmentation of the vitellus, with the production of a morula.

From The Mechanism of Life by Leduc, Stéphane

This vitellus or yolk undergoes a series of segmentation or dividings which are known as spontaneous segmentation.

From What a Young Husband Ought to Know by Stall, Sylvanus

Yolk, yōk, Yelk, yelk, n. the yellow part of an egg: the vitellus of a seed: wool-oil.—adjs.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various