母犬经宫颈输精内窥镜
Polypropylene catheter passing through the cervix of an unsedated bitch in estrus; semen is being deposited into the uterus.
Courtesy of Dr. Autumn Davidson.
在这些主题中
Polypropylene catheter passing through the cervix of an unsedated bitch in estrus; semen is being deposited into the uterus.
Courtesy of Dr. Autumn Davidson.