ootid

(ō'ə-tĭd')
n.
A haploid cell that results from the meiotic division of an oocyte and becomes a female gamete or an ovum.

[OO- + (SPERMA)TID.]

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(ō'ə-tĭd')
n.

The nearly mature ovum after the first maturation division has been completed and the second initiated.

The cell produced by meiotic division of a secondary oocyte, which develops into the ovum. In mammals, this second maturation division is not completed unless fertilization occurs.