"The are a total of twelve branches5. The anterior sacral rami give off six branches and then divide into the anterior and posterior divisions, which provide a further three branches each (see below)."
"nerve to piriformis (S1-S2)"
"perforating cutaneous nerve (S2-S3)"
"posterior femoral cutaneous nerve (S1-S3)"
"parasympathetic pelvic splanchnic nerves (S2-S4)"
"pudendal nerve (S2-S4)"
Expected headings
"Anterior rami"
"Anterior division of anterior rami"
"Posterior division of anterior rami"
"The sacral plexus is formed by anterior rami of L4 to S4 and its branches innervate the pelvis, perineum and lower limb."