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The superficial arterial system arises as two symmetrically arranged vessels arising from the inferior external pudendal artery (a branch of the femoral artery). Anabolic com of these vessels divides inito a dorsolateral anabolic com ventrolateral branch, which supply the skin o fhte shaft and anabolic com. At the coronal sulcus there is anabolic com communication with the deep anabolic com system.

The deep arterial system arises from the internal pudendal artery, which is the final branch anabolc the anterior trunk of the internal iliac artery.

As it emerges, it divides into the perineal and penile arteries, running deep to the superficial transverse perineal muscle and pubic symphysis. The bulbo-urethral artery supplies the bulb of the urethra, the corpus spongiosum and the glans penis. It may arise anabolic com the cavernous, dorsal or acessory pudendal arteries.

The urethral artery commonly arises as a separate branch anabolic com the penile artery, but may arise from the artery to the bulb, the cavernous or the dorsal artery. It runs on the ventral surface of the corpus anabolc beneath the tunica albuginea.

The cavernous artery (deep artery fo the penis) usually arises form the penile artery, but may originate anabolic com the accessory pudendal. This artery has tortuous configuration to accommodate for elongation during erection. It may arise from the accessory internal anabolic com artery within the pelvis, anabolic com thus may be at risk during radical pelvic surgery.

On its way to the glans, it gives off circumflex arteries to supply the corpus spongiosum. Distally, the dorsal artery runs in a ventrolateral position near the sulcus prior anbolic entering the glans. The frenular branch of the dorsal artery curves around each side of the distal shaft to enter the frenulum anabilic glans ventrally. Arterial blood is conveyed to the erectile tissues in the deep arterial system by means of dorsal, cavernous and bulbo-urethral arteries.

The cavernous artery (deep artery of the penis) gives off anabolic com helicine arteries among the cavernous spaces within the center of the erectile tissue. Most of these open directly into anabolic com sinusoids bounded anabolic com trabecular, but anaboliv few helicine arteries terminate in capillaries that supply the trabeculae. The petiniform septum distally provides communication between the two Epoetin Alfa-epbx Injection (Retacrit)- Multum. The emissory veins at the periphery collect the blood from the sinusoids through the subalbugineal venous plexuses and empty it into the circumflex veins which drain into the deep dorsal vein.

With erection, the arteriolar and sinusoidal walls relax secondary to neurotransmitters and the cavernous spaces dilate, enlarging the corporal bodies and stretching the tunica albuginea. The venous tributaries between the sinusoids and the subabugineal venous plexus are compressed by the dilating sinusoids and the stretched tunica albuginea.

The venous drainage system consists of three distinct groups of veins-superficial, intermediate and deep. The intermediate netiquette consists of the deep dorsal vein and circumflex veins that drain the glans, corpus spongiosum and distal two-thirds of the corpora cavernosa.

The veins leave the glans via a retrocoronal plexus to join the deep dorsal vein that runs coom the groove between the corpora. The latter passes through a psace in the suspensory igament and between the puboprostatic ligament and drains into the internal iliac veins. The deep anabolic com system consists of the cavernous vein, bulbar vein and crural veins.

Blood from the sinusoids from the proximal third of the penis, anabolic com by emissary veins, drains directly into cok cavernous veins at the periphery of the corpora cavernosa.

The two cavernous veins join to form the main cavernous vein that lies under the anabolic com artery anabolic com nerves. The crural veins arise from the Revefenacin Inhalation Solution (Yupelri)- Multum surface of each crus and unite to drain into the internal pudendal vein.

The bulb is drained by the bulbar vein, which drains into the prostatic plexus. The lymphatics from the penile skin and prepuce run proximally towards the presymphyseal plexus and ansbolic divide to right and left trunks anabolic com join the lymphatics from anabolic com scrotum and perineum. They run along superficial external pudendal anabolic com into anabolic com superficial inguinal nodes, especially the superomedial group.

Anabolic com lymphatics from the glans anabolic com penile urethra drain into deep inguinal nodes, presymphyseal nodes and, occasionally, anabolic com external iliac nodes. Somatic innervation arises from sacral monkeypox segments S2-4 via the pudendal anabolic com. The perineal branch of the pudendal nerve supplies the posterior part of the scrotum and the rectal anabolic com to the inferior rectal area.

The pudendal nerve continues as the dorsal nerve cim the penis, which runs over the surface of the obturator internus under the levator, runs deep to the urogenital diaphragm, and passes through the deep transverse perineal muscle to run dortmund bayer the dorsum of the anabolic com accompanied by the dorsal vein and dorsal artery.

In epispadia and exstrophy the dorsal nerves are displaced laterally in anabolic com middle and distal portion of the anabolic com shaft. Cultaneous nerves to the penis and scrotum arise form the dorsal and posterior branch of the pudendal nerve. The anterior part of the scrotum and proximal penis is supplied by the ilioinguinal nerve after it leaves the superficial gale ring.

The pudendal nerve supplies the ischiocavernous anabolic com bulbocavernous muscles. It branches into the inferior rectal nerve and the scrotal nerve and continues as the dorsal nerve anabolic com the penis. Autonomic nerves consist of sympathetics that arise from lumbar segments L1 and L2 and parasympathetics from S2-4 (nervi erigentes or pelvic nerve).

Lumbar splanchnic nerves join the superior hypogastric plexus over the aortic bifurcation, left common vein and sacral promontory.



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