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Topic: Corpora cavernosa

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Corpus spongiosum

Erectile tissue

Glans clitoris

Penis

Blood vessel

Erection

Artery

Death erection

Endothelium

Urethra

Orgasm

Clitoris

Penis size

Labia

Penile fracture

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	Male Genital Anatomy
		The crural (roots) of the corpora cavernosa attach at the under surface of the ischiopubic rami as two separate structures.
		The corpora cavernosa sinusoids are widely communicative and larger in the center of the corpora, having a Swiss-cheese appearance.
		The cavernosal nerves are branches of the pelvic plexus that innervate the corpora cavernosa of the penis.
	www.bumc.bu.edu /Dept/Content.aspx?DepartmentID=371&PageID=6939 (2714 words)

	Altered Sonic Hedgehog Signaling Is Associated with Morphological Abnormalities in the Penis of the BB/WOR Diabetic Rat ...
		was observed in the corpora cavernosa of diabetic penes.
		impairment in responsiveness of the rat corpora cavernosa [10],
		was absent in the corpora cavernosal sinusoids of the diabetic
	www.biolreprod.org /cgi/content/full/69/3/816 (5480 words)

	Erectile Dysnfuction Problems - Find Here The Correct Treatment (Site not responding. Last check: 2007-11-05)
		The corpora cavernosa are surrounded by a membrane, called the tunica albuginea.
		The urethra, which is the channel for urine and ejaculate, runs along the underside of the corpora cavernosa and is surrounded by the corpus spongiosum.
		Impulses from the brain and local nerves cause the muscles of the corpora cavernosa to relax, allowing blood to flow in and fill the spaces.
	www.erectnow.com /erectile.html (396 words)

	UrologyHealth.org - Penile Trauma (Site not responding. Last check: 2007-11-05)
		The corpora cavernosa are spongy tubes that are soft until filled with blood during an erection.
		The injury is usually limited to one or both of the corpora cavernosa and, on rare occasions, the urethra.
		Failure for the return of sufficient sexual function is dependent upon the degree of injury to the arteries, nerves and corpora cavernosum and whether the patient was experiencing erectile dysfunction just prior to the injury.
	www.urologyhealth.org /print/index.cfm?topic=112 (1870 words)

	ERECTILE DYSFUNCTION
		The urethra, which is the channel for urine and ejaculate, runs along the underside of the corpora cavernosa.
		With sexual stimulation, the parasympathetic nerves transmit impulses through the pelvic plexus to the arterioles of the corpora cavernosa, causing the release of nitric oxide.
		The sequence includes nerve impulses in the brain, spinal column, and area of the penis, and response in muscles, fibrous tissues, veins, and arteries in and near the corpora cavernosa.
	www.siheartdocs.com /erectile_dysfunction.htm (5894 words)

	Sexual Health LINK
		According to Ayurveda, the two chambers of penis (corpora cavernosa,) which run through the organ are filled with spongy tissue.
		The urethra, which is the channel for urine and semen, runs along underside of the corpora cavernosa.
		The > corpora cavernosa are surrounded by a > membrane, called the tunica albuginea.
	www.rxlist.com /rxboard/dilantin.pl?noframes;read=264 (990 words)

	Straight Talk on Penile Curves
		The two corpora cavernosa make up the top part of the shaft, while the corpora spongiosum is positioned in the groove between and beneath them, wrapping around the urethra and forming the head of the penis.
		Each of the corpora is surrounded by a thin layer of tissue called the tunica albuginea.
		One reason for this can be that one of the corpora cavernosa is shorter than the other; this causes an erection to point in the direction of the shorter corpora.
	www.webmd.com /content/Article/41/1685_50100.htm (444 words)

	MR Imaging of the Penis -- Pretorius et al. 21 (Supplement 1): 283 -- RadioGraphics
		At T2-weighted imaging, signal intensity in the penile bulb (open straight arrow), which is the base of the corpus spongiosum, is different from that in the corpora cavernosa (thick solid arrows).
		The central arteries of the corpora cavernosa (large curved fl arrows) and the septum (thin arrow) that divides the corpora cavernosa are also seen.
		The tunica albuginea is thicker around the corpora cavernosa (fl arrow), where it is fused with the Buck fascia.
	radiographics.rsnajnls.org /cgi/content/full/21/suppl_1/S283 (5952 words)

	Erectile Dysfunction (ED) / Impotence information by the doctors of MedicineNet.com
		Erection is reversed when cGMP levels in the corpora cavernosa fall, causing the smooth muscles of the corpora cavernosa to contract, stopping the inflow of blood and opening veins that drain blood away from the penis.
		Second, the aging process alone can cause erectile dysfunction in some men; primarily by decreasing the compliance of the tissues in the corpora cavernosa, although it has been suggested, but not proven, that there is also decreased production of nitric oxide in the nerves that innervate the corporal smooth muscle within the penis.
		In addition to atherosclerosis and/or neuropathy causing ED in diabetes, many diabetic men develop a myopathy (muscle disease) as their cause of ED in which the compliance of the muscle in the corpora cavernosa is decreased and clinically this presents as an inability to maintain the erection.
	www.medicinenet.com /impotence_ed/page2.htm (1298 words)

	Home \| aHealthyme.com
		The nerve endings in the penis release chemical messengers, called neurotransmitters, that signal the corpora cavernosa (the two spongy rods of tissue that span the length of the penis) to relax and fill with blood.
		They are implanted in the corpora cavernosa to make the penis rigid without the need for blood flow.
		The inflatable type of device consists of cylinders that are implanted in the corpora cavernosa, a fluid reservoir implanted in the abdomen, and a pump placed in the scrotum.
	www.ahealthyme.com /article/gale/100084778 (2073 words)

	eMedicine - Priapism : Article Excerpt by: Monica Parraga-Marquez, MD
		Erection is the result of smooth muscle relaxation and increased arterial flow into the corpora cavernosa, causing engorgement and rigidity (see Image 1).
		Engorgement of the corpora cavernosa causes compression of the venous outflow tracts (ie, subtunical venules), resulting in blood trapping within the corpora cavernosa.
		Nitric oxide is the major neurotransmitter controlling erection; the endothelium that lines the corpora cavernosa secretes nitric oxide (see Image 2).
	www.emedicine.com /med/byname/priapism.htm (543 words)

	The Anatomy of Peyronie's Disease
		The corpora cavernosa, which can be likened to hydraulic cylinders, create structural rigidity.
		The corpora cavernosa are cigar-shaped tubes of strong connective tissue, filled with spongy muscle-lined cavities.
		The paired corpora are joined within the penis, but separate at its junction with the body.
	www.peyronies.org /pages/anatomy.html (181 words)

	:: International Braz J Urol ::
		The distal urethra is mobilised from the underlying corpora cavernosa.
		The skin or buccal mucosa graft is spread-fixed and quilted to the underlying corpora, and its lower margin is sutured to the proximal mucosal edge of the urethra (Figure-3, B).
		In patients who have undergone repeated internal urethrotomies it may be difficult or impossible to separate the urethra from the corpora cavernosa, and the tunica albuginea may be opened or injured.
	www.brazjurol.com.br /march_april_2003/Barbagli_ing_155_161.htm (2412 words)

	BioMed Central \| Full text \| The hypoactive corpora cavernosa with degenerative erectile dysfunction: a new syndrome
		The hypoactive corpora cavernosa with degenerative erectile dysfunction: a new syndrome
		Corpora cavernosa showed degenerative changes on histopathologic examination and exhibited diminished electromyography activity.
		Lepor H, Gregerman M, Crosby R, Mostofi FR, Walsh PC: Precise localization of the autonomic nerves from the pelvic plexus to the corpora cavernosa: a detailed anatomical study of the adult male pelvis.
	www.biomedcentral.com /1471-2490/6/13 (3209 words)

	Erectile Dysfunction or Impotence FAQ
		Impulses from the brain and local nerves cause the muscles of the penile arteries and the muscles of the spongy corpora cavernosa to relax, allowing blood to flow in and fill the open spaces in the spongy tissue.
		The blood is trapped in the corpora cavernosa sustaining the erection, similar to the air trapped in the tire's inner tube.
		Erection is reversed when muscles in the penis contract, stopping the inflow of blood and opening outflow channels and allowing the blood to return to the body's circulatory system.
	www.urologyclinicofhouston.com /faq/faq_impotence.html (5159 words)

	Calcification of the Epididymis and the Tunica Albuginea of the Corpora Cavernosa in Patients on Maintenance ...
		Calcification of the Epididymis and the Tunica Albuginea of the Corpora Cavernosa in Patients on Maintenance Hemodialysis -- Guvel et al.
		Calcification of the Epididymis and the Tunica Albuginea of the Corpora Cavernosa in Patients on Maintenance Hemodialysis
		cavernosa in 15 patients (65%) and calcification of the epididymis
	www.andrologyjournal.org /cgi/content/abstract/25/5/752 (377 words)

	USNews.com: Health: Erectile Dysfunction: Need-to-know anatomy
		Two spongelike chambers, called the corpora cavernosa, run the length of the penis above the corpus spongiosum, which contains the urethra, the channel for urine and semen.
		To initiate an erection, the brain and body send sensory signals to the nerves of the penis, causing the muscles of the corpora cavernosa to relax and the blood vessels to open up.
		A membrane surrounding the corpora cavernosa (known as the tunica albuginea) traps the blood, sustaining the erection.
	www.usnews.com /usnews/health/sex/erectile_dysfunction/ed.about.anatomy.htm (242 words)

	Sonic hedgehog Cascade Is Required for Penile Postnatal Morphogenesis, Differentiation, and Adult Homeostasis -- ...
		was faintly observed in the corpora cavernosal sinusoids and
		At P22, Shh protein is visible in the smooth muscle of the corpora cavernosal sinusoids, the nerves of the dorsal nerve bundle, and the epithelium of the urethra.
		Shh is expressed in the smooth muscle of the corpora cavernosal sinusoids and the epithelium of the urethra and faintly in the nerves.
	www.biolreprod.org /cgi/content/full/68/2/423 (5533 words)

	The Telangana Science Journal, August 2003, Issue 68
		When levels of cGMP are increased in the penis this causes a smooth muscle relaxation in the pelvis and corpora cavernosa and allows increased blood flow into the corpora cavernosa.
		As the corpora cavernosa fills with blood it begins to expand due to the pressure created by blood, making the penis expand.
		With more blood coming in and less going out the corpora cavernosa continues to expand and harden, thus resulting in an erection.
	www.vepachedu.org /TSJ/erection.html (1293 words)

	Priapism
		The danger is that if priapism from any cause persists too long, his corpora cavernosa may become ischaemic and fibrotic, so that he becomes permanently impotent.
		Aspirate his corpora cavernosa with a 1 mm needle; this alone may cure him.
		Under general anaesthesia, aspirate his corpora cavernosa through the tip of his glans penis (A, 23-39).
	www.meb.uni-bonn.de /dtc/primsurg/docbook/html/x8427.html (714 words)

	The penis and how it works
		Corpora cavernosa: two cylindrical tissues run the length of either side of the penis.
		This is possible because the muscles of the pelvic floor contract around the base of the corpora cavernosa.
		This seems to both trigger orgasm and contract the muscle fibres in the corpora cavernosa and their supplying arteries.
	www.netdoctor.co.uk /erectiledysfunction/penis.htm (623 words)

	Color Doppler US of the Postoperative Penis: Anatomy and Surgical Complications -- Bertolotto et al. 25 (3): 731 -- ...
		The corpora cavernosa and the corpus spongiosum manifest at
		mild engorgement of the corpora cavernosa is observed.
		On an axial US image of the penile shaft, the echogenicity of the corpora cavernosa is diffusely increased due to fibrosis caused by ischemic damage.
	radiographics.rsnajnls.org /cgi/content/full/25/3/731 (7176 words)

	Welcome to Freedomed.com
		Erection occurs when relaxed muscles allow the corpora cavernosa to fill with excess blood fed by the arteries, while drainage of blood through the veins is blocked.
		Pictured here are the necessary components: (a) a plastic cylinder, which covers the penis; (b) a pump, which draws air out of the cylinder; and (c) an elastic ring, which, when fitted over the base of the penis, traps the blood and sustains the erection after the cylinder is removed.
		Malleable implants usually consist of paired rods, which are inserted surgically into the corpora cavernosa.
	www.freedomed.com /erectile_dysfunction.asp (2591 words)

	Get Hung
		Your penis is made up of 3 chambers, 2 large ones on top which is your erectile tissue (Corpora Cavernosa), and 1 smaller chamber on the bottom from which you urinate and ejaculate (Corpus Spongisum).
		The blood spaces in the Corpora Cavernosa are filled until an erection is achieved.
		Sadly, men are simply accepting what they were born with rather than what their potential is. It is a shame that millions of men worldwide suffer needlessly with a small penis rather than taking advantage of developing the Corpora Cavernosa.
	www.gethung.com /howitworks.html (384 words)

	How an Erection Occurs.
		Two cylinder shaped chambers called the corpora cavernosa, which run the length of the penis and contain a maze of blood vessels.
		The urethra, the channel in which urine and sperm flow, which runs along the underside of the corpora cavernosa.
		A membrane surrounding the corpora cavernosa helps to trap the blood in the corpora cavernosa, thereby sustaining the erection.
	www.webmd.com /content/article/57/66222.htm (361 words)

	Erectile Dysfunction or Impotence - UrologyChannel
		The internal structure of the penis consists of two cylinder-shaped vascular tissue bodies (corpora cavernosa) that run throughout the penis; the urethra (tube for expelling urine and ejaculate); erectile tissue surrounding the urethra; two main arteries; and several veins and nerves.
		Two arteries in the penis supply blood to erectile tissue and the corpora cavernosa, which become engorged and expand as a result of increased blood flow and pressure.
		Because blood must stay in the penis to maintain rigidity, erectile tissue is enclosed by fibrous elastic sheathes (tunicae) that cinch to prevent blood from leaving the penis during erection.
	www.urologychannel.com /erectiledysfunction/index.shtml (493 words)

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