NEET BIOLOGY

Detailed explanation-1: -The pelvic girdle is formed by a pair of bone which is the hip bone or coxal bone. The large opening in the anteroinferior hip bone between the ischium and pubis is the obturator foramen through which nerves and blood vessels pass. So, the correct answer is ‘Pelvic girdle’.

Detailed explanation-2: -Obturator foramen is a pair of opening present between the pubis and the ischium.

Detailed explanation-3: -The obturator foramen (Latin foramen obturatum) is the large opening created by the ischium and pubis bones of the pelvis through which nerves and blood vessels pass.

Detailed explanation-4: -Hint: Obturator foramen is the opening which is found in the pelvic girdle. The pelvic girdle is formed of three bones: ilium, ischium and pubis.

Detailed explanation-5: -The obturator foramen is large oval aperture in males or irregularly triangular aperture in females in the hipbone, situated anteroinferior to the acetabulum between the pubis and ischium.