sciatic nerven. 坐骨神經學術名詞坐骨神經：畜牧學、舞蹈、醫學、獸醫學坐神經：比較解剖學、動物學臀神經：動物學英文釋義arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nerves