The precursor of the urethra [ http://orcid.org/0000-0002-6601-2165 ]
术语信息
database
cross reference
- Wikipedia:Urethral_groove
- SCTID:361531004
UBPROP 0000008
In humans, the urethral groove is a temporary linear indentation on the underside (ventral side) of the male penis during embryonic development. It typically appears around 8 weeks of gestation and becomes closed into a normal male urethra by the 12th week