Definitions

Vas efferens

• (Taxon-specific: Subclass Branchiura) In male reproductive system, narrow sperm duct leading from each testis to median seminal vesicle. [Stachowitsch, 1992]
• (Taxon-specific: Subclass Cirripedia) In male ascothoracican, one of numerous small ducts leading form testicular lobes to vasa deferentia. [Stachowitsch, 1992]

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Citing this glossary: For individual definitions, please cite the specific author(s) of the definition.
To cite the glossary as a whole, please use:
Martin, J.W., N.D. Pentcheff, D. Striley, C. Perrodin, A.R. Wall, J. Wall, and J. Zieba (editors). Crustacea Glossary. Crustacea Department, Natural History Museum of Los Angeles County. Accessed: 8 Nov 2024. URL: https://research.nhm.org/glossary