Keywords
epididymis,ductus epididymis,testicular duct,efferent ductules,organ,reproductive system,male reproductive system,sex,sex organs,male sex organs,head,body,tail,testes,testis,testicle,testicles,sperm maturation,testosterone,seminal fluid,vas deferens,accessory glands,prostate,gland,seminal vesicle,penis,penile tissue,erectile tissue,genitals,genital,male genital system,genital system,male,man,xy,human,reproductive anatomy,reproduction,epididymis,ductus epididymis,testicular duct,efferent ductules,organ