flushing the vasa deferentia ( ductus deferentes ) at the time of vasectomy reduced to zero the number of intact spermatozoa by postvasectomy day 6 in the dog and by postvasectomy day 7 in the cat and shortened the time from vasectomy to azoospermia in the dog , but not in the cat .
C0042360
ductus deferentes
C0042387
vasectomy