urethran.尿道
urethral cautery尿道内烧灼器
urethral atresia尿道闭锁
Urethral atrophy尿道萎缩
urethral disease尿道疾病
urethral erotism尿道快感
urethral abscess尿道脓肿
urethral papilla尿道乳头
urethral bougies尿道栓(剂)
urethral dilator尿道扩张器
urethra caruncle尿道肉阜