Left hip bone, lateral view

Question 1

The hip bone, or os coxa, is formed from the fusion of 3 bones the ___, ___, and ____.

Answer 1

ilium, ischium, pubis

Question 2

The fusion lines are visible in the illustration of a child’s hip bone, showing how the 3 bones meet to form the ___, the cup-shaped depression that articulates with the head of the femur.

Answer 2

acetabulum

Question 3

Anterior to the acetabulum are the superior and inferior ___ of the pubis; posterior to the acetabulum is the ischium, extending from the ischial spine on the superior edge to the ischial ramus, which meets the inferior pubic ramus

Answer 3

rami

Question 4

The ___ is the rounded protrusion that bears one’s weight when seated.

Answer 4

ischial tuberosity

Question 5

The space immediately inferior to the acetabulum is the ____, which houses a sheet of collagen fibers that provide sites for attachment of muscles. Superior to the acetabulum is the large broad ilium, which supports the weight of the internal organs of the trunk.

Answer 5

obdurator foramen

Question 6

Muscles, tendons, and ligaments attach to the illium at the ___ and various iliac spines.

Answer 6

iliac crest

Question 7

the ___ allows passage of the sciatic nerve to the lower limbs, while blood vessels and nerves pass along the ___.

Answer 7

greater sciatic notch

lesser sciatic notch