vitellus
Example Sentences
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"The ovarian eggs of all animals are identical, small cells with vitellus, germinal vesicle and germinal spot."
From Facts and Arguments for Darwin by Muller, Fritz
The vitellus and the membrane of the egg enlarge with the embryo and absorb by endosmosis the nutritive matter necessary for the latter, contained in the maternal blood.
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
Vitelligenous: producing the vitellus or yolk: said of certain cells in the ovaries, believed to have that function.
From Explanation of Terms Used in Entomology by Smith, John. B.
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