vitellus

Example Sentences

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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

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

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

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

Now, the human ovum or egg consists of a vitellus or yolk, which is covered by a similar membrane, known as the vitelline.

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