urogenital diaphragm


urogenital diaphragm
urogenital diaphragm n a double layer of pelvic fascia with its included muscle that is situated between the ischial and pubic rami, supports the prostate in the male, is traversed by the vagina in the female, gives passage to the membranous part of the urethra, and encloses the sphincter urethrae

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traditional but no longer valid concept that superior and inferior fascial layers enclose the sphincter urethrae and deep transverse perineal muscles and together form a musculomembranous sheet that extends between the ischiopubic rami. Called also accessory or secondary d. and urogenital triangle or trigone. See also membrana perinei.

Medical dictionary. 2011.

Look at other dictionaries:

  • Urogenital diaphragm — Older texts have asserted the existence of an urogenital diaphragm , which was described as a layer of the pelvis that separates the deep perineal sac from the upper pelvis, lying between the inferior fascia of the urogenital diaphragm and… …   Wikipedia

  • urogenital diaphragm — noun : a double layer of pelvic fascia with its included muscle that is situated between the ischial and pubic rami, supports the prostate in the male, is traversed by the vagina in the female, gives passage to the membranous part of the urethra …   Useful english dictionary

  • Superior fascia of the urogenital diaphragm — Infobox Anatomy Name = PAGENAME Latin = fascia diaphragmatis urogenitalis superior GraySubject = 121 GrayPage = 429 Caption = Coronal section of anterior part of pelvis, through the pubic arch. Seen from in front. (Superior layer labeled at… …   Wikipedia

  • muscles of urogenital diaphragm — the muscles considered to participate in the urogenital diaphragm (see under diaphragm) …   Medical dictionary

  • urogenital trigone — urogenital diaphragm …   Medical dictionary

  • diaphragm — 1. The musculomembranous partition between the abdominal and thoracic cavities. SYN: diaphragma (2) [TA], interseptum, midriff, phren (1). 2. A thin disk pierced with an opening, used in a microscope, camera, or other op …   Medical dictionary

  • urogenital triangle — 1. urogenital diaphragm. 2. regio urogenitalis …   Medical dictionary

  • Thoracic diaphragm — diaphragm Respiratory system Latin diaphragma Artery Pericardiacophrenic artery …   Wikipedia

  • Inferior fascia of diaphragm of pelvis — Infobox Anatomy Name = PAGENAME Latin = fascia inferior diaphragmatis pelvis GraySubject = 119 GrayPage = 421 Caption = Coronal section of pelvis, showing arrangement of fasciae. Viewed from behind. Caption2 = System = MeshName = MeshNumber =… …   Wikipedia

  • accessory diaphragm — urogenital d …   Medical dictionary