- pyriformis
[pyriformis 词源字典]
- "A gluteal (buttock) muscle, which arises from the sacrum and the ischium or sacrotuberous ligament and inserts into the greater trochanter of the femur, serving in humans to rotate the thigh laterally", Late 17th cent. From post-classical Latin pyriformis pyriform.[pyriformis etymology, pyriformis origin, 英语词源]