walls, floor, and viscera of pelvis Flashcards
obturator internus
inner surface of obturator membrane and bony rim
greater trochanter of femur
n to obturator internus
external rotation
leaves pelvis as tendon that passes around lesser sciatic notch
covered in thick obturator fascia from which the levator ani m arises
piriformis
sacrum greater trochanter of femur S1,2 ventral rami eternal rotation and abduction of thigh leaves pelvis by passing thru greater sciatic foramen
levator ani
pubococcygeus
iliococcygeus
puborectalis
pubococcygeus
pubis coccyx and anococcygeal ligament perineal brr of S3,4 support pelvic viscera anterior to rectum the right and left portions separate, bridged by CT, urethra passes thru
iliococcygeus
arcus tendineus
coccyx and anococcygeal
perineal brr S3,4
supports pelvic viscera
puborectalis
pubis
puborectalis m from opposite side on posterior side of rectum
perineal brr of S3,4
supports pelvic viscera, maintain anorectal jnx
lying along upper surface of pubococcygeus m
coccygeus m
ishcial spine, sacrotuberous lig coccyx and lower part of sacrum S4.5 ventral rami supports pelvic viscera most posterior m of pelvic diaphragm
urinary tract elements
pelvic portion of ureter
urinary bladder
GI elements
rectum
anal canal
repro elements
male: -pelvic portion of vas deferens -seminal vesicles -prostate female: -vagina -uterus -uterine tubes -ovaries
pelvic fasica inner walls and floor
consists of membranous lining and loose CT
fills space btwn peritoneum and mm
periotneum
does not contact floor and walls
draped over superior aspects of strucutues in pelvis
distinctive folds and pouches
rectovesicle pouch
male
peritoneum btwn rectum and bladder
rectouterine pouch
female
peritoneum btwn rectum and uterus
vesicouterine pouch
peritoneum btwn superior aspect of urinary bladder and uterus
contians broad ligament
