Question

-Identify the bone feature labeled "i."
A)Inferior pubic ramus 
B)Ischial tuberosity 
C)Obturator foramen 
D)Acetabulum

Accepted Answer

The obturator foramen is a large, oval opening in the hip bone that is bounded by the pubic bone anteriorly, the ischium posteriorly, and the ilium superiorly. It is closed by the obturator membrane, which is a thin sheet of connective tissue that separates the pelvic cavity from the thigh.