APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -The SGA is a terminal branch of the internal iliac artery and exits the pelvis through the greater sciatic foramen. After its exit, the SGA divides into deep and superficial branches. The superficial branch continues above the piriformis muscle into the gluteus maximus muscle.

Detailed explanation-2: -Superior gluteal artery: it is the largest branch of the internal iliac artery and essentially a continuation of the posterior trunk.

Detailed explanation-3: -The internal pudendal artery and inferior gluteal artery are the terminal branches of the anterior division of the IIA. The internal pudendal artery exits the pelvis via the greater sciatic foramen, curves past the closely situated ischial spine, and enters the perineum via the lesser sciatic foramen.

Detailed explanation-4: -The internal pudendal artery and inferior gluteal arteries are the terminal branches of the anterior trunk of the internal iliac artery.