Medical Definition of Sphincter muscle of urinary bladder
1. The complete collar of smooth muscle cells of the neck of the urinary bladder which extend distally to surround the preprostatic sportion of the male urethra. There is not a comparable structure in the neck of the femoral bladder; the internal urethral sphincter may exist to prevent reflux of semen into bladder. Synonym: annulus urethralis, internal urethral sphincter, musculus sphincter vesicae, preprostate urethral sphincter, proximal urethral sphincter, sphincter muscle of urinary bladder. (05 Mar 2000)
Sphincter Muscle Of Urinary Bladder Pictures
Click the following link to bring up a new window with an automated collection of images related to the term: Sphincter Muscle Of Urinary Bladder Images
Lexicographical Neighbors of Sphincter Muscle Of Urinary Bladder
Other Resources Relating to: Sphincter muscle of urinary bladder


