male reproductive system morphology trait
vas deferens morphology trait
Any measurable or observable characteristic related to the shape, structure, color, or pattern of the secretory duct of the testicle that carries spermatozoa, running from the epididymis, of which it is the continuation, to the prostatic urethra, where it terminates to form the ejaculatory duct.
Trait.ontology
VT:0002769