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Topic: Urogenital diaphragm

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	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		}} The urogenital diaphragm is the traditional (but invalid) anatomical term for 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.
		The urogenital diaphragm is often confused with the pelvic floor, which is a true diaphragm supporting many of the pelvic organs.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=urogenital_diaphragm (206 words)

	NationMaster - Encyclopedia: Bulbourethral gland
		The artery of the urethral bulb (artery of bulb of penis) is a short vessel of large caliber which arises from the internal pudendal between the two layers of fascia of the urogenital diaphragm; it passes medialward, pierces the inferior fascia of the urogenital diaphragm, and gives off branches which...
		Bulbourethral glands are located posterior and lateral to the membranous portion of the urethra at the base of the penis, between the two layers of the fascia of the urogenital diaphragm, in the deep perineal pouch.
		The urogenital diaphragm is an archaic term describing a layer of the pelvis separating deep perineal sac from the upper pelvis.
	www.nationmaster.com /encyclopedia/Bulbourethral-gland (2339 words)

	XI. Splanchnology. 3b. 4. The Male Urethra. Gray, Henry. 1918. Anatomy of the Human Body.
		The membranous portion (pars membranacea) is the shortest, least dilatable, and, with the exception of the external orifice, the narrowest part of the canal.
		The hinder part of the urethral bulb lies in apposition with the inferior fascia of the urogenital diaphragm, but its upper portion diverges somewhat from this fascia: the anterior wall of the membranous urethra is thus prolonged for a short distance in front of the urogenital diaphragm; it measures about 2 cm.
		Commencing below the inferior fascia of the urogenital diaphragm it passes forward and upward to the front of the symphysis pubis; and then, in the flaccid condition of the penis, it bends downward and forward.
	www.bartleby.com /107/256.html (1536 words)

	IV. Myology. 1F. The Muscles and Fasciæ of the Perineum. Gray, Henry. 1918. Anatomy of the Human Body.
		It is bounded medially by the Sphincter ani externus and the anal fascia; laterally, by the tuberosity of the ischium and the obturator fascia; anteriorly, by the fascia of Colles covering the Transversus perinæi superficialis, and by the inferior fascia of the urogenital diaphragm; posteriorly, by the Glutæus maximus and the sacrotuberous ligament.
		The superior fascia of the urogenital diaphragm is continuous with the obturator fascia and stretches across the pubic arch.
		The Sphincter urethræ membranaceæ surrounds the whole length of the membranous portion of the urethra, and is enclosed in the fasciæ of the urogenital diaphragm.
	www.bartleby.com /107/120.html (2723 words)

	Chapter 38: The perineal region and external genitalia
		To avoid injury, the opening for the passage of the fetal head may be enlarged by incising the posterior wall of the vagina and the nearby part of the perineum (episiotomy).
		The urogenital diaphragm, which is pierced by the urethra, consists of two muscles bilaterally: the deep transverse perineal and the sphincter urethrae.
		In the female, the urogenital diaphragm is pierced by the vagina as well as the urethra.
	www.dartmouth.edu /~humananatomy/part_6/chapter_38.html (2022 words)

	Diaphragm (anatomy) Summary
		The Diaphragm is a dome-shaped musculofibrous septum which separates the thoracic from the abdominal cavity, its convex upper surface forming the floor of the former, and its concave under surface the roof of the latter.
		The central tendon of the diaphragm is a thin but strong aponeurosis situated near the center of the vault formed by the muscle, but somewhat closer to the front than to the back of the thorax, so that the posterior muscular fibers are the longer.
		The diaphragm is pierced by a series of apertures to permit of the passage of structures between the thorax and abdomen.
	www.bookrags.com /Diaphragm_(anatomy) (2251 words)

	Diaphragm: Definition and Links by Encyclopedian.com
		This gives...In anatomy, the diaphragm is a shelf of muscle extending across the bottom of the ribcage,...
		In anatomy, the diaphragm is a shelf of muscle extending across the bottom of the ribcage, providing the floor to the thoracic cavity and the ceiling to the abdominal cavity.
		A diaphragm is a sheet of a semi-flexible material, anchored at its periphery, and most often round in shape.
	www.encyclopedian.com /di/Diaphragm.html (361 words)

	Urogenital diaphragm - Encyclopedia, History, Geography and Biography
		The urogenital diaphragm is an archaic term describing a layer of the pelvis separating deep perineal sac from the upper pelvis.
		Unfortunately, the term is still in common use despite the fact that such a discrete border of the sac probably does not exist.
		The urogenital diaphragm is often confused with the pelvic floor, which is a true diaphragm supporting many of the pelvic organs.
	www.arikah.com /encyclopedia/Urogenital_diaphragm (120 words)

	diaphragm - Encyclopedia.com
		In humans, the thoraco-abdominal diaphragm acts as a partition between the cavity of the chest and that of the abdomen.
		Other diaphragms in the human body include the pelvic diaphragm and the urogenital diaphragm, which use similar muscular contractions and expansions in their respective functions.
		Innovation in weir type diaphragm valve design enables cGMP compliance: new process fabrication designs, multiport divert valves, and modular valve assemblies that are offered by the major manufacturers of weir type diaphragm valves have brought innovation and value to customers with critical applications.
	www.encyclopedia.com /doc/1E1-diaphrag.html (1127 words)

	Encyclopedia :: encyclopedia : Urogenital (Site not responding. Last check: )
		The urogenital folds are an embryological structure which give rise to a portion of the external genitalia.
		In the female, the urogenital folds become the labia minora while in the male they form the urethra and a portion of the shaft of the penis, not including the glans.
		In the male, failure of the urogenital folds to fuse during development leads to a condition known as hypospadias.
	www.hallencyclopedia.com /Urogenital (166 words)

	XI. Splanchnology. 3c. 6. The Prostate . Gray, Henry. 1918. Anatomy of the Human Body.
		It is situated in the pelvic cavity, below the lower part of the symphysis pubis, above the superior fascia of the urogenital diaphragm, and in front of the rectum, through which it may be distinctly felt, especially when enlarged.
		The apex (apex prostatæ) is directed downward, and is in contact with the superior fascia of the urogenital diaphragm.
		the urogenital diaphragm, which invests the prostate and the commencement of the membranous portion of the urethra; and by the anterior portions of the Levatores ani, which pass backward from the pubis and embrace the sides of the prostate.
	www.bartleby.com /107/263.html (949 words)

	MerckMedicus : Dorland's Medical Dictionary
		diaphrag´matis urogenita´lis infe´rior the supposed inferior fascia of the urogenital diaphragm, later considered to represent the membrana perinei.
		diaphrag´matis urogenita´lis supe´rior the supposed superior fascia of the urogenital diaphragm (q.v.).
		of prostate the reflection of the superior fascia of the pelvic diaphragm onto the prostate.
	www.merckmedicus.com /pp/us/hcp/thcp_dorlands_content.jsp?pg=/ppdocs/us/common/dorlands/dorland/dmd_f_03.htm (2900 words)

	Pelvis: Osteology and Borders
		Pelvic Brim: The bony borders of the pelvic diaphragm, separating the false (major) pelvis from the true (minor) pelvis.
		It is the posterior attachment point of the urogenital diaphragm.
		Perineum: The area inferior to the pelvic and urogenital diaphragms.
	www.themedicaldirectory.org /sciences/anatomy/pelvis/osteology.shtml (1124 words)

	[No title]
		The urogenital diaphragm is like a mezzanine or balcony in the first story of the two-story building, jutting out into the space of the urogenital triangle, but not into the anal triangle.
		The urogenital diaphragm consists of 3 layers: an inferior layer of fascia, known as the perineal membrane; a muscle laver, containing the sphincter urethrae (which acts as a voluntary sphincter for the urethra) and deep transverse perineal muscles; and a superior layer of fascia.
		The membranous fascia fuses with the superficial fascia of the urogenital diaphragm (perineal membrane) at its posterior border.
	www.emory.edu /ANATOMY/AnatomyManual/pelvis.html (9319 words)

	Chapter 37: The pelvic diaphragm and fascia
		The pelvic diaphragm is a muscular partition formed by the levatores ani and coccygei, with which may be included the parietal pelvic fascia on their upper and lower aspects.
		The pelvic diaphragm is supplied chiefly by the ventral rami of S.N. The diaphragm helps to support the pelvic viscera, resists increases in intra-abdominal pressure, and aids in micturition.
		It contributes to the floor of the pelvis as the superior and inferior fasciae of the pelvic diaphragm, and it lines the lateral pelvic wall as the obturator fascia.
	www.dartmouth.edu /~humananatomy/part_6/chapter_37.html (641 words)

	[No title]
		The urogenital diaphragm lies inferior to the anterior defect in the pelvic diaphragm.
		The erectile tissue of the bulb of the vestibule lies on the urogenital diaphragm passing around the opening for the vagina.
		Paired glands, the greater vestibular or Bartholin's glands lie on the urogenital diaphragm deep to the bulb.
	www.med.mun.ca /anatomyts/repro/reprovag.htm (658 words)

	Anatomy: The Pelvis
		Primitive Urogenital Sinus and development of Bladder: The primitive UG sinus is continuous with the Allantois in the anterior part of the cloacal region.
		This recess is between the pelvic diaphragm (superior border) and UG diaphragm (inferior border).
		It is the fusion of the inferior and superior membranes of the UG diaphragm.
	www.geocities.com /doctor_uae/pelvis.htm (8854 words)

	Anatomy of Male Genital System
		These muscles (the diaphragm) are enclosed between the superior and inferior layers of fascia (fascia of the UGD).
		N.B. In most individuals, the muscle tissue in the urogenital diaphragm is thin or absent and is replaced by a thin plate of connective tissue.
		The apex lies inferiorly on the upper surface of the urogenital diaphragm.
	www.med.uottawa.ca /medweb/demo_site/undergrad/webct/lectures/curriculum_repro/e_repro2_crs_lec02.htm (2544 words)

	highli08
		ERECTILE TISSUE: Superficial (i.e., inferior) to the urogenital diaphragm are the erectile organs and associated musculature of the external genitalia.
		The bulbs are connected to the underside of the urogenital diaphragm, while the crura are attached underneath the obturator foramen.
		The urethra passes through the urogenital diaphragm, and so is surrounded by the corpus spongiosum, or tubular prolongation of the bulb of the penis in males.
	www.biologie.uni-hamburg.de /b-online/library/crone/3048/highli08.html (2883 words)

	3D Visualization of the Male Pelvis and Perineum:
		The pelvic diaphragm also separates the pelvic cavity from the perineum and defines the roof of the ischioanal fossae where it arises from the lateral walls of the pelvis formed by the obturator internus muscles.
		Our detailed analysis of the muscles of the perineum, particularly the muscles of the urogenital diaphragm, similarly show that their relationship to the pelvic viscera is different from the classic view.
		Finally, our detailed analysis of the muscles of the perineum, particularly the muscles of the urogenital diaphragm, show that their relationship to the pelvic viscera is different from the classic view.
	www.nlm.nih.gov /research/visible/vhpconf2000/AUTHORS/VENUTI/TEXTINDX.HTM (1872 words)

	Body and Breath - Answers
		The ischiocavernosus muscles in both the male and female lie superficial to the erectile tissues of the corpora cavernosa, which themselves course from the inferior pubic rami to the body of the penis in the male and to the clitoris in the female.
		It shifts your attention from the front of the anatomical perineum to the rear, and it elicits a mild ashwini mudra instead of mula bandha because you are tipping backward toward the plane of the anal triangle and away from the plane of the urogenital triangle.
		Fourth, the practices bring into stark perspective the nature of the sphincters, pelvic diaphragm, and urogenital diaphragm in retaining urine and feces until one is ready to eliminate.
	www.bodyandbreath.com /answers102002.htm (2422 words)

	2. Tutorial (Site not responding. Last check: )
		The muscles constituting the urogenital diaphragm of a stylised male mammal.
		With reference to their homologues in the male: The muscles constituting the urogenital diaphragm of a stylised female mammal.
		In the male, the urogenital diaphragm consits of the muscles associated with the penis and urethra:-
	d-mis-web.ana.bris.ac.uk /calnet/vetrep1/page2.htm (432 words)

	Pelvic Floor
		First off both the pelvic floor and the urogenital diaphragm are shown to be intact after death contrary to the lore of SI teaching* (the latter half of Side 2 of mp3 file of lecture B3 with Dr. Rolf includes a conversation about the fourth hour and the pelvic floor).
		Note that superiorly it is suspended from the tendinous arch of the internal surface of the obturator internus, which spans from the pubic symphysis to the posterior inferior iliac spine (where the coccygeus also arises).
		She said that Kegel had a hard time finding the muscle which controls urination in cadavers which is the urinary sphincter in the urogenital diaphragm which is superficial to the pelvic floor/levator ani.
	homepage.mac.com /jefflinn/anatomy/pelvicfloor.html (774 words)

	Kids.Net.Au - Encyclopedia > Pre-ejaculatory fluid
		In the anatomy of the male human body, the bulbourethral glands (or Cowper's glands) are two small, rounded, and somewhat lobulated bodies, of a yellow color, about the size of peas, placed behind and lateral to the membranous portion of the urethra, between the two layers of the fascia of the urogenital diaphragm[?].
		They lie close above the bulb, and are enclosed by the transverse fibers of the Sphincter urethrae membranaceae[?].
		The excretory duct of each gland, nearly 2.5 cm long, passes obliquely forward beneath the mucous membrane, and opens by a minute orifice on the floor of the cavernous portion of the urethra about 2.5 cm in front of the urogenital diaphragm.
	www.kids.net.au /encyclopedia-wiki/pr/Pre-ejaculatory_fluid (269 words)

	TantraMag.COM - Testicular "Breathing". Part 2
		The urogenital diaphragm lies inferior to the pelvic diaphragm in the anterior portion of the pelvic outlet.
		The fascia of this diaphragm is particularly thick on the external surface and is called the perineum membrane.
		The urogenital diaphragm closes the gap between the anterior edges of the two elevator anus muscles.
	www.tantramag.com /man/art89.html (600 words)

	eMedicine - Urethra, Trauma : Article by J Kevin Smith, MD, PhD
		The principal mechanism of continence, the external urethral sphincter, is located within the urogenital diaphragm around the membranous urethra.
		A distance of 2 cm between the prostatic apex and urogenital diaphragm was specific for type I urethral injuries.
		Extravasation of contrast material (solid arrow) from the posterior urethra is seen superior to an intact urogenital diaphragm (dashed arrow).
	www.emedicine.com /radio/topic733.htm (5006 words)

	Anatomy
		Prostatic Urethra – the most proximal portion that begins at the vesical neck at the apex of the trigone of the urinary bladder and extends through the prostate gland ending at the superior facia of the urogenital diaphragm.
		Membranous Urethra – begins at the superior facia of the urogenital of the diaphragm, extends at the deep transverse perineal muscle ending at the inferior facia of the urogenital diaphragm.
		Penile (Cavernous) Urethra – begins at the inferior facia of the urogenital diaphragm and extends into the bulb of the penis and terminates at the external urethral meatus of the glans penis.
	www.prostate.com.ph /anatomy.htm (798 words)

	WebLecture-Pelvis-Lec36
		The perineum is that region inferior to the pelvic diaphragm and extends to the skin of the buttocks, thighs and external genetalia.
		The perineum is often described as diamond shaped made up of two triangles, the urogenital triangle anteriorly and the anal triangle posteriorly.
		We therefore refer to this region as the urogenital triangle but be prepared to seee it refered to as the urogenital diaphragm in most anatomy text books.
	oac.med.jhmi.edu /weblec/templatev1/lec36.html (333 words)

	Dorlands Medical Dictionary
		[TA] diaphragm: the musculomembranous partition separating the abdominal and thoracic cavities, and serving as a major thoracic muscle.
		sel´lae [TA] sellar diaphragm: a ring-shaped fold of dura mater covering the sella turcica and containing an aperture for passage of the infundibulum of the hypophysis.
		pertaining to or of the nature of a diaphragm.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_d_15zPzhtm (2285 words)

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