Pelvis, anterior view

Question 1

The __ is formed from the 2 ossa coxae of the appendicular skeleton and the sacrum and coccyx of the axial skeleton. Because the pelvis supports the weight of the upper body and mediates the stresses of locomotion, its bones are larger and heavier than those of the pectoral girdle.

Answer 1

pelvis

Question 2

The illium of the os coxa articulates with the sacrum at the sturdy ____.

Answer 2

sacroiliac joint

Question 3

The iliac crest forms the superior, posterior edge of the pelvis, while the ______ mark the lateral edges.

Answer 3

anterior superior iliac spines

Question 4

The anterior and inferior limit of the pelvis is composed of the pubis bones, medial to the ____ ; the pubis bones are connected by fibrocartilage at the symphysis pubis.

Answer 4

obdurator foramen

Question 5

The true pelvis (or lesser pelvis) is the cavity posterior to the pubic symphysis, anterior to the sacrum and coccyx, and bounded by the medial surfaces of the ilia near the ________. the false pelvis (or greater pelvis) is the larger, more superior cavity bounded laterally by the anterior superior iliac spines.

Answer 5

greater sciatic notch