• Webster's Revised Unabridged Dictionary
    • n Cytula (Biol) The fertilized egg cell or parent cell, from the development of which the child or other organism is formed.
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Century Dictionary and Cyclopedia
    • n cytula In biology, a fertilized egg-cell; an impregnated ovum; the parent cell of any organism. It is the ovum of the female, which is fecundated by becoming united with the substance of one spermatozoön, or more, of the male.
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Webster's Revised Unabridged Dictionary
NL., fr. Gr. ky`tos a hollow vessel


In literature:

The ovum after the nucleus had been re-formed became the cytula, which was the ontogenetic counterpart of the amoeba.
"Form and Function" by E. S. (Edward Stuart) Russell