- lacunae urethrales urethrae masculinae
- [TA] urethral lacunae of male urethra: small depressions or pits in the mucous membrane of the urethra, with their openings usually directed distally; some are openings of ducts of the urethral glands. The largest one, at the distal end, is the lacuna magna. Called also lacunae of Morgagni and urethral lacunae of Morgagni.
Medical dictionary. 2011.