urethral groove
n.
The groove on the undersurface of the embryonic penis that ultimately is closed to form the penile portion of the urethra.
Words nearby urethral groove
urethra,
urethral artery,
urethral caruncle,
urethral crest,
urethral gland,
urethral groove,
urethral hematuria,
urethral papilla,
urethral valve,
urethralgia,
urethratresia