Inflammation at the posterior part of the os calcis, at the insertion of the Achilles tendon. ... (05 Mar 2000) ... 
(kal-ka″ne-o-ә-pof″ә-si´tis) inflammation of the posterior part of the calcaneus, marked by pain and swelling.
Type: Term Pronunciation: kal-kā′nē-ō-ă-pof′i-sī′tis Definitions: 1. Inflammation at the posterior part of the os calcis, at the insertion of the Achilles tendon.
calcaneoapophysitis An affection of the posterior part of the calcaneus marked by pain at the point of insertion of the Achilles tendon, with swelling of the soft parts.