Definitions
Sperm duct
- (Taxon-specific: ) Vas deferens. [Stachowitsch, 1992]
 - Vas deferens. [Stachowitsch, 1992]
 - Vas deferens. [Stachowitsch, 1992]
 - Vas deferens. [Stachowitsch, 1992]
 - (Taxon-specific: Class Secernentea) Vas deferens. [Stachowitsch, 1992]
 - (Taxon-specific: Order Monhysterida) Vas deferens, vas efferens. [Stachowitsch, 1992]
 - (Taxon-specific: Order Rhabditida) Vas deferens. [Stachowitsch, 1992]
 - Vas deferens. [Stachowitsch, 1992]
 - Vas deferens. [Stachowitsch, 1992]
 - In male reproductive system, pair of ducts extending from about 10th to 14th trunk segments. Joins testes with opening on genital papilla on base of 14th trunk limb.
(syn. vas deferens) [Stachowitsch, 1992] 
