A developmental defect resulting in an obstructing membrane in the posterior male urethra. [emedicine:1016086, https://orcid.org/0000-0002-0736-9199]

Posterior urethral valve (PUV) disorder is an obstructive developmental anomaly in the urethra and genitourinary system of male newborns. A posterior urethral valve is an obstructing membrane in the posterior male urethra as a result of abnormal in utero development...