You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Sacrotuberous ligament not pierced by: and explain in detail?
Ans. d. Internal pudendal arterySacrotuberous ligament not pierced byCoccygeal branch of inferior gluteal arteryFilaments of coccygeal plexusPerforating cutaneous nerveInternal pudendal artery is a branch from the anterior division of internal iliac artery.It leaves the pelvis by way of the greater sciatic foramen between the Piriformis and coccygeus and immediately enters the perineum through the lesser sciatic foramen by hooking around the Ischial spine, accompanied by the pudendal nerve during its course.It passes along the lateral wall of the ischiorectal fossa in the pudendal canal.