posterior cutaneous nerve of thigh
/pɒstˈiəɹiə kjuːtˈeɪniəs ˈnɜːv ɒv ˈθaɪ/
n
中文：股后皮神经
Meaning：Branch of the sacral plexus ensuring movement in part of the buttock (greatest gluteal muscle) and sensation in the posterior part of the thigh.