What are components of urogenital diaphragm?
The muscular components sphincter urethrae and deep transverse perinei with perineal membrane together are known as the urogenital diaphragm.
Which of the following is found within the urogenital diaphragm?
The urethra and the vagina, though part of the pouch, are usually said to be passing through the urogenital diaphragm, rather than part of the diaphragm itself….
| Urogenital diaphragm | |
|---|---|
| Latin | Diaphragma urogenitale |
| Anatomical terminology |
What is urogenital diaphragm?
Medical Definition of urogenital diaphragm : 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.
What is the difference between pelvic diaphragm and urogenital diaphragm?
The urogenital diaphragm is external and inferior to the pelvic diaphragm. The pelvic diaphragm is a wide but thin muscular layer of tissue that forms the inferior border of the abdominopelvic cavity.
Is urogenital diaphragm and deep perineal pouch same?
The deep perineal pouch is bordered inferiorly by the perineal membrane, also known as the inferior fascia of the urogenital diaphragm. It is bordered superiorly by the superior fascia of the urogenital diaphragm. The deep pouch is now described as the region between the perineal membrane and the pelvic diaphragm.
What is superior fascia of urogenital diaphragm?
Identifiers. Latin. fascia diaphragmatis urogenitalis superior. Anatomical terminology. The superior fascia of the urogenital diaphragm is continuous with the obturator fascia and stretches across the pubic arch.
Is urogenital diaphragm the same as deep perineal pouch?
Which muscle is part of the urogenital diaphragm and constricts the urethra?
The external sphincter muscle of male urethra, also sphincter urethrae membranaceae, sphincter urethrae externus, surrounds the whole length of the membranous urethra, and is enclosed in the fascia of the urogenital diaphragm….External sphincter muscle of male urethra.
| Sphincter urethrae membranaceae muscle | |
|---|---|
| TA2 | 2421 |
| FMA | 19733 |
| Anatomical terms of muscle |
What makes up the urogenital triangle?
The urogenital triangle forms the anterior half of the diamond-shaped perineum. The triangle’s corners are defined by the pubis symphysis anteriorly and the ischial tuberosities anterolaterally. The anterolateral borders are the ischiopubic rami and the posterior border is the transverse perineal muscles.
What separates the deep and superficial perineal pouches?
An imaginary transverse line (the inter-ischial line) between the anterior ends of the ischial tuberosity divides the perineum into an anterior urogenital triangle and a posterior anal triangle. The superficial perineal pouch is contained between the perineal membrane and the deep perineal fascia.
What is obturator fascia?
The obturator fascia, or fascia of the internal obturator muscle, covers the pelvic surface of that muscle and is attached around the margin of its origin. Above, it is loosely connected to the back part of the arcuate line, and here it is continuous with the iliac fascia.
Why is the Trigone an important clinical region of the urinary bladder?
Why is the trigone of the urinary bladder clinically important? It causes kidney-collecting ducts to reabsorb more water.
What is the structure of the urogenital diaphragm?
The urogenital diaphragm consists of the deep transverse perineal muscle with the superior and inferior fascia. The perineal membrane is composed of two regions, one dorsal and one ventral. The dorsal portion consists of bilateral transverse fibrous sheets that attach the lateral wall of the vagina and perineal body to the ischiopubic ramus.
Is the puborectalis part of the urogenital diaphragm?
The puborectalis muscle is inferolateral to the iliococcygeus muscle. Both muscles run perpendicular to the urogenital diaphragm. Note the anterior extension of the ischioanal space. More posteriorly, the DEAS is visible as a separate muscle.
Are there Cowper glands in the urogenital diaphragm?
Cowper glands are within the urogenital diaphragm, but their ducts course distally ∼ 2 cm to enter the bulbous urethra. Multiple, small, mucosal glands (glands of Littre) line the mucosa of the anterior urethra.
Where is the diaphragm located in the pelvis?
Latin. Diaphragma urogenitale. Anatomical terminology. Older texts have asserted the existence of a urogenital diaphragm, also called the triangular ligament, 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 (perineal membrane)