noun
- A mature ovum or egg cell produced by meiosis in female animals; the functional female gamete.
Usage: biology; technical
Examples
- The ootid is the large, functional haploid cell produced during oogenesis.
- In mammals, the ootid develops into a mature ovum after fertilization.
- The ootid contains most of the cytoplasm from the original oocyte.
- During meiosis II, the secondary oocyte divides to form an ootid and a second polar body.
- The ootid is released during ovulation and is ready for fertilization by sperm.