\vˈa͡ɪtə͡ləs], \vˈaɪtələs], \v_ˈaɪ_t_əl_ə_s]\
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By Stedman, Thomas Lathrop
By Stormonth, James, Phelp, P. H.
The cell body of the ovum; the yolk of an egg or of an ovule; that portion of the contents of the vitelline membrane which is to afford nutriment to the embryo and take part in its development during the period of incubation in the Ovipara, and up to the time of the establishment of a nutrient connection with the maternal organism in the Vivipara.
By Smith Ely Jelliffe