Relating to both the calcaneus (heel bone) and the astragalus (talus bone); describing structures connecting these two ankle bones.
Compound term from Latin 'calcaneus' (heel) + Greek 'astragalos' (ankle bone) + Latin '-aris' (relating to), used in anatomical descriptions.
Your ankle is held together by connections between these two bones—anatomists had to invent mega-words like this just to describe where one tiny ligament attaches!
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