NEET PG DENTAL EXAM

Detailed explanation-1: -The sacral plexus is derived from the anterior rami of spinal nerves L4, L5, S1, S2, S3, and S4. Each of these anterior rami gives rise to anterior and posterior branches. The anterior branches supply flexor muscles of the lower limb, and posterior branches supply the extensor and abductor muscles. Sacral plexus.

Detailed explanation-2: -The lumbar and sacral plexuses make up the collective lumbosacral plexus, which is formed from the anterior (ventral) rami of the L1 through S4 nerve roots (figure 1). The anterior rami divide within the plexus into anterior and posterior divisions that in turn yield individual peripheral nerves.

Detailed explanation-3: -The sacral plexus is a network of nerves formed by the lumbosacral trunk (L4, L5) and sacral spinal nerves (S1-S4). The sacral plexus is located on the posterior pelvic wall, posterior to the internal iliac vessels and ureter, and anterior to the piriformis muscle.