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Forms sling around anorectal juntion
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Levator Ani
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terms list

Forms sling around anorectal juntion
Levator Ani
Pelvic organs, Gluteal muscles, and Perineum (blood supply)
Internal Iliac
Umbilical artery gives off
superior vesicle a.
Superior vesicle a supplies
superior urinary bladder
Superior vesicle artery splits into the
obliterated or medial umbilical artery
supplies pelvic muscle, ilium, femoral head, and muscles of medial thigh
Obturator Artery
Supplies porstate gland and ductus deferens
Inferior Vesicle Artery
Supplies Uterus and Vagina
Uterine Artery
Internal Pudendal Artery exits the pelvic cavity through the
Greater Sciatic Foramen
Internal Pudendal artery loops around the ____ and enters perineum through the ____.
Ischial Spine, Lesser Sciatic Foramen
Contains branches of inferior rectal, perineal artery, artery of bulb of penis, deep artery of penis, and dorsal artery of the penis:
Internal Pudendal Artery
Branches consist of Inferior rectal, perineal a., posterior labial a., artery of vestibule of vagina, deep artery of clitoris, dorsal artery of clitoris.
Internal Pudendal Artery
Inferior Gluteal Artery exits pelvis cavity through
greater sciatic foramen
Supplies coccygeus muscle, levator ani, piriformis and quadratus, uppermost posterior thigh, gluteus maximus, and sciatic nerve.
Inferior Gluteal Artery
Inferior gluteal artery passes inferior to the
piriformis muscle
Middle Rectal Artery supplies
Lower Rectum, Seminal Vesicles
Iiliolumbar Artery supplies
Psoas Major, Iliacus, Quadratus Lumborum, Cauda Equina
Lateral Sacral Artery supplies
Piriformis, Sacral Canal, Erector Spinae
Superior Gluteal Artery supplies
Piriformis, Gluteus medius and minimus, tensor fascia latae muscle
Supplies superior aspect of rectum and anastomoses with middle and inferior rectal arteries
Inferior Mesenteric Artery
located inside spermatic chord that drains the testicular vein
Pampiniform plexus
Prolapse of mucosa containing internal rectal venous plexus
Internal Hemorrhoids
Produced by blood clots in external rectal venous plexus.
External Hemorrhoids
Branches off the sacral plexus
Quadratus femoris, obturator internus, piriformis, levator ani and coccygeus.
Sciatic Nerve (L4-S3) is made up of
Tibial Nerve and Fibular Nerve
Sacral splanchnic nerves supply sympathetic innervation to most of the pelvic organs via the
Inferior Hypogastric Plexus
provides Mixed parasympathetic innervation to the reproductive organs
Inferior Hypogastric Plexus

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