egg

https://doi.org/10.1351/goldbook.10640

Female gamete after completion of the second meiotic division.

Note: The term is often loosely applied to secondary oocytes and early embryos.
See also: ovum
Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 747 [Terms] [Paper]