crural
/ˈkrʊərəl/adjective
1- Anatomy & Zoology of or relating to the leg or the thigh【剖, 动】（与）腿（有关）的; （与）股（有关）的; （与）胫（有关）的。
1.1
- of or relating to any part called 'crus', for example, the crura cerebri脚的。
词源
late 16th cent.: from Latin cruralis, from crus, crur- 'leg'.