ejaculation

https://doi.org/10.1351/goldbook.10641

Expulsion of semen from the genital ducts and urethra, usually resulting from a reflex process during sexual stimulation

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 747 [Terms] [Paper]