W-27 Pelvis and Gluteal Region - Spaces

Question 1

True Pelvic Cavity

Answer 1

Roof: Pelvic Brim
Posterior: Sacrum, Coccyx
Lateral: obturator internus
Anterior: pubic symphysis
Floor: Pelvic floor

Contains: pelvic colon, rectum, bladder, some reproductive organs

Question 2

False Pelvic Cavity

Answer 2

Roof: ???
Posterior: deep notch on either side b/w ilium
Lateral: ilium
Anterior: incomplete (anterior borders of ilia?)
Floor: sacrum base

Contains: intestines

Question 3

Space under the inguinal ligament

Answer 3

???????

Question 4

Greater sciatic foramen

Answer 4

Roof: Anterior sacroiliac ligament
Floor: sacrospinous ligament and the ischial spine
Posteromedially: sacrotuberous ligament
Anterolaterally: greater sciatic notch of the ilium

Contains: piriformis fills up most of the foramen

Question 5

Lesser sciatic foramen

Answer 5

Anterior: the tuberosity of the ischium
Roof: the spine of the ischium and sacrospinous ligament
Posterior: the sacrotuberous ligament

Contains: tendon of the obturator internus, nerve to the obturator internus

Question 6

Obturator foramen

Answer 6

???

Question 7

Pelvic Inlet

Answer 7

???

Question 8

Pelvic Outlet

Answer 8

???