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19 Cards in this Set
- Front
- Back
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What forms the greater and lesser sciatic foramen?
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Sacrospinous and sacrotuberous ligament
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What are the borders of the greater pelvis?
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Line across iliac crest and pelvic inlet
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Compared to the female pelvis, the male pelvis is?
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Thicker, heavier, narrower, and heart-shaped
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What movement does piriformis M and obturator internus M perform?
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Lateral rotation
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What are the muscles of the pelvic diaphragm?
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Obturator internus- piriformis- coccygeus- iliococcygeous- pubococcygeus- puborectalis- obturator
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What two areas comprise the perineum?
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Urogenital triangle
Anal triangle |
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What are the contents of the anal triangle?
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External anal sphincter
Ischioanal fossa Pudendal canal Fat pad: prevent anal prolapse |
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Branches of Pudendal
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Pudendal
inf rectal perineal, dorsal n- penis/clitoris |
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What is the geometric relationship between the urogenital and the anal triangle?
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Positioned at 90 degree angles from one another
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What is the location and function of the perineal body?
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Midline attachment point between urogenital and anal triangle. Keeps muscles tightly bound- prevents prolapse
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What are the 3 pouches of the perineum?
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Superficial fascia
Superficial perineal pouch Deep perineal pouch |
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What are the boundaries and contents of the superficial perineal pouch?
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Colles' fascia and perineal membrane; Females: bulb of vestibule, clitoris, Bartholin's gland Males: bulb of penis; Both:bulbospongiosus M, ischiocavernosis M, superficial transverse perineal M
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What are the boundaries and contents of the deep perineal pouch?
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Perineal membrane and inferior fascia of pelvic diaphragm; Female: ischioanal fossa fat; Male: membranous urethra, bulbourethral gland; Both; external urethral sphincter, deep transverse perineal M
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What is the pathway of the urogenital system in males?
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preprostatic urethra
prostatic urethra intermediate urethra spongy/penile urethra |
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What happens if intermediate urethra ruptures?
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Urine/blood fills deep perineal space-> fluid thru urogenital hiatus-> extraperitoneal around prostate/bladder
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What happens if spongy/penile urethra ruptures?
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Urine/blood fills superficial perineal space-> fluid into scrotum, around penis, deep to membranous CT; NOT thighs/ischioanal fossa
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What is the lymph drainage for glans penis? What other areas follow this drainage?
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Deep inguinal to external iliac node; clitoris, labia minora, distal vagina
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What is the lymph drainage for the scrotum? What other areas follow this drainage?
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Superficial inguinal node; labia majora, superficial penis/clitoris
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What are the branches of the anterior branch of the internal iliac artery?
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Internal pudendal branches to:
inf rectal perineal Artery to bulb Dorsal A of clitoris/penis Deep A of clitoris/penis Urethra A |
