Assertion: anklebone | /r/HasProperty | shaped bone
Facets:
value: irregularly
type: DEGREE
Source sentences:
text: The ankle joint is made up of the tibia, which forms the inner ankle bone (medial malleolus), the fibula, which forms the outer ankle bone (lateral malleolus), and the talus, an irregularly shaped bone between the two that helps form a “ mortise and tenon ” joint that allows you to rotate your foot up, down and side to side.