pelvic anatomy and vasculature
DESCRIPTION
pelvis, anatomy, vasculatureTRANSCRIPT
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Review:
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Rectovesical pouch
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Pararectal fossae and paravesical fossae
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Perineal membrane
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- Pre-prostatic urethra: part of urethra until prostate gland - Prostatic urethra: part crossing through prostate gland - Membranous urethra: portion passing through external urethral spincter in deep
perineal pouch - Spongy urethra: runs along length of penis and through corpus spongiosum - Urethral crest: ridge flanked on either side by prostatic sinuses. Ridge enlarges to
become seminal colliculus. Grooves on either side of seminal colliculus are called prostatic sinuses. Opening on midline of seminal colliculus is called prostatic utricle. An ejaculatory duct opens on either side of the prostatic utricle.
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Urethra:
Artery Inferior vesical artery
Middle rectal artery
Internal pudendal artery
Vein Inferior vesical vein
Middle rectal vein
Internal pudendal vein
Nerve Pudendal nerve
Pelvic splanchnic nerves
Inferior hypogastric plexus
Lymph Internal iliac lymph nodes
Deep inguinal lymph nodes
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Ductus deferens, ampulla, seminal vesicles
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Urinary bladder Surfaces: superior, posterior, inferolateral Other: detrusor muscle, trigone, internal urethral orifice, rectum (ampulla, transverse rectal folds), anal canal, external and internal anal spincter
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Urinary bladder: apex, body, fundus, cavity
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Anorectal flexure ( about 80 degrees)