腓肠 - Sura
The calf (also calf of the leg) is the back portion of the lower leg (the crus).
In terms of muscle systems, the calf corresponds to the posterior compartment of the leg. Within the posterior compartment, the two largest muscles are known together as the calf muscle and attach to the heel via the Achilles tendon.
This definition incorporates text from the wikipedia website - Wikipedia: The free encyclopedia. (2004, July 22). FL: Wikimedia Foundation, Inc. Retrieved August 10, 2004, from http://www.wikipedia.org
大体解剖 > Partes corporis humani > 下肢 > 小腿 > 腓肠