Deep perineal pouch
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| Deep perineal pouch | |
|---|---|
 | |
| Coronal section of anterior part of pelvis, through the pubic arch. Seen from in front. (Deep perineal pouch not labeled, but is between the "superior layer" and "inferior layer" labeled at bottom left.) | |
 | |
| Vertical section of bladder, penis, and urethra. (Cowper's gland and membranous portion of urethra visible at center bottom.) | |
| Latin | saccus profundus perinei |
| Gray's | subject #120 428 |
| Artery | branches of internal pudendal artery |
| Vein | branches of internal pudendal veins |
| Nerve | branches of perineal nerve |
| Dorlands/Elsevier | s_01/12717311 |
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The deep perineal pouch (also deep perineal space) is an anatomical term that refers to the partially enclosed space in the perineum, located superiorly to the perineal membrane.
Structure
Unlike the superficial perineal pouch, the deep perineal pouch lacks a superior border. It extends up into the pelvis.
Contents
The deep perineal pouch contains:
- muscles
- other
- Membranous portion of the urethra (males) / proximal portion of urethra (females)
- Bulbourethral gland (males). (Note: The Bartholin gland is the female counterpart to the bulbourethral gland in males, but it is located in the superficial perineal pouch.)
- Vagina (females)
"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 superior fascia of the urogenital diaphragm.
While this term is used to refer to a layer of the pelvis that separates the deep perineal sac from the upper pelvis, such a discrete border of the sac probably does not exist.[1][1][1] [1][1]
While it has no official entry in Terminologia Anatomica, the term is still used occasionally to describe the muscular components of the deep perineal pouch[1] 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. [1]
Some researchers still assert that such a diaphragm exists, [1] and the term is still used in the literature.[1]
The term "urogenital diaphragm" is often confused with the pelvic floor, which is a true diaphragm supporting many of the pelvic organs.
Additional images
 Male Anatomy |
 Median sagittal section of pelvis, showing arrangement of fasciæ. |
 The deeper branches of the internal pudendal artery. |
See also
References
External links
- SUNY Labs 41:10-0102 - "The Female Perineum: The Perineal Nerve"
- SUNY Labs 41:13-0100 - "The Female Perineum - The Deep Perineal Pouch"
- SUNY Figs 43:04-09 - "The urinary bladder and the urethra as seen in a frontal section of the female pelvis."
- SUNY Labs 44:05-0102 - "The Male Pelvis: The Prostate Gland"
- Norman/Georgetown perineum (maleugtriangle3)
- Human anatomy at Dartmouth figures/chapter_35/35-1.HTM
- http://www.instantanatomy.net/abdomen/areas/perineum/mdeepperinealpouch.html
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
