efferent duct

synonyms: efferent ductule, male efferent duct
https://doi.org/10.1351/goldbook.10639

Seminal duct leading from the testis to the head of the epididymis.

Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 747 (https://doi.org/10.1515/pac-2015-1202)