ORG ANA: Pelvic Wall Flashcards
(100 cards)
describe the shape of the pelvis
bowl-shaped or basin shaped
what does the pelvis connect
connection between abdomen/trunk and LE
what are the 3 main functions of the pelvis
transmits weight of body from VC to femurs
support and protect pelvic viscera
attachment for trunk and LE muscles
what does the pelvis contain
lower GI and urinary tract
organs of reproduction
nerves, vessels and lymphatics
what is the lateral and anterior wall of the pelvis and its articulations
the 2 hip bones
in front - symhpysis pubis
post - sacroiliac joint
what is the posterior wall of the pelvis
sacrum and coccyx
what are the 2 parts of the pelvis
false and true pelvis
what is the pelvic brim
it marks the boundary between the true and false pelvis
above it - false
below it - true
what makes up the pelvic brim
ant - symphysis pubis
post - sacral promontory
lat - iliopectineal lines
what is the sacral promontory
anterior upper margin of S1
what are iliopectineal lines
lines that run downward and forward in the inner surface of the ileum
what is the symphysis pubis
joint betw the 2 pubic bones
describe the location of symphysis pubis and ASIS
they lie in the same vertical plane
pelvic orientation of symphysis pubis
faces upward and backward
pelvic orientation of the sacrum
directed downward forward
boundaries of the false pelvis
ant - lower abdominal muscles
post - 5 lumbar vertebrae
lat - iliac fossa and iliacus
the false pelvis is considered a part of ______ cavity
abdominal cavity
purpose of false pelvis
supports abdominal content
guides fetus to true pelvis at early stages
supports uterus at 3 months above
what makes up the true pelvis
pelvic inlet, outlet and cavity
what are the boundaries of pelvic outlet
ant - pubic arch
post - coccyx
lat - ischial tuberosities
margin - sarcotuberous ligament
what are the 3 wide notches of the pelvic outlet
ant - pubic arch
lat - sciatic notches; lesser and greater
what divides the sciatic notches
divided by sarcotuberous and sacrospinous ligaments into greater and lesser foramen
where is the pelvic cavity located
between inlet and outlet
what are the contents of the pelvic cavity
lower portion of intestines and rectum
urinary bladder
internal reproductive organs