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The perineal artery (superficial perineal artery) arises from the internal pudendal artery, and turns upward, crossing either over or under the superficial transverse perineal muscle, and runs forward, parallel to the pubic arch, in the interspace between the bulbospongiosus and ischiocavernosus muscles, both of which it supplies, and finally divides into several posterior scrotal branches ...
The perineal body (or central tendon of perineum) is a pyramidal fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle. In males, it is found between the bulb of the penis and the anus ; in females, it is found between the vagina and anus, and about 1.25 cm (0.49 in) in front ...
Anatomy image: apmalefrontal4-16 at the College of Medicine at SUNY Upstate Medical University; Cross section image: pelvis/pelvis-e12-15—Plastination Laboratory at the Medical University of Vienna; Anatomy photo:41:08-0100 at the SUNY Downstate Medical Center — "The Female Perineum: Contents of the Pudendal Canal" Diagram at pudendal.info
The internal pudendal artery branches off the internal iliac artery, the main artery of the pelvis, and supplies blood to the sex organs. [1] The internal pudendal artery gives rise to the perineal artery [2] and the inferior rectal artery. [1] The superficial external pudendal artery arises from the medial side of the femoral artery.
Anatomy figure: 42:03-01 at Human Anatomy Online, SUNY Downstate Medical Center - "Branches of internal pudendal artery in the male perineum." Anatomy figure: 43:07-14 at Human Anatomy Online, SUNY Downstate Medical Center - "Sagittal view of the internal iliac artery and its branches in the female pelvis. "Anatomy figure: 44:06-00 at Human ...
As might be expected, the contents of the urogenital triangle differ greatly between the male and the female. Some of the components include: [1] Posterior scrotal nerves / posterior labial nerves; Urethra; Vagina; Bulbourethral gland / Bartholin's gland; Muscles Superficial transverse perineal muscle; Ischiocavernosus muscle; Bulbospongiosus ...
Anatomy figure: 43:04-09 at Human Anatomy Online, SUNY Downstate Medical Center – "The urinary bladder and the urethra as seen in a frontal section of the female pelvis." Anatomy photo:44:05-0102 at the SUNY Downstate Medical Center – "The Male Pelvis: The Prostate Gland" perineum at The Anatomy Lesson by Wesley Norman (Georgetown ...
The anal triangle can be defined either by its vertices or its sides.. Vertices. one vertex at the coccyx bone; the two ischial tuberosities of the pelvic bone; Sides. perineal membrane (posterior border of perineal membrane forms anterior border of anal triangle)