Introduction to female and male perineum Flashcards
What does the lesser pelvis contain
Inner genital organs, the bladder and the rectum
What does the pelvis form a thoroughfare for
Vessels, nerves and other structures to the lower limbs
What does the cup shaped space of the pelvic floor mean
It is somewhat flexible and can buffer the significant variations in pressure in abdominopelvic cavity
What gap do the pelvic floor muscles leave in its anterior portion and what is it closed by
Urogenital hiatus
Closed by peroneal membrane
What muscles cover the pelvic floor
Obturator internus
Piriformis
Coccygeus
Levator ani
What forms the pelvic diaphragm
Coccygeus and levator ani
Where is the bladder located
Anterosuperior to the prostate
What is the perineal membrane
Tough connective tissue sheath spanning between the iliopubic rami and the perineal body. it covers the urogenital hiatus
Boundaries of the deep perineal pouch
Perineal diaphragm
Perineal membrane
Obturator internis mm
Boundaries of the superficial perineal pouch
Perineal membrane and the skin
What covers the bladder
Detrusor muscle
What is between the ureter and the urethra
Trigone. It is stiffer than the rest of the bladder wall and therefore does not extend when the bladder fills. Provides main anchoring site to the pelvis
what contents are mixed in the prostatic urethra
Ductus deferens
Seminal vesicle
Prostate