| aclasis | A state of continuity between normal and abnormal tissue. Synonym: aclasia. Origin: G. A-priv. + klasis, a breaking away, a fragment (05 Mar 2000) |
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| diaphysial aclasis | A disturbance of enchondral bone growth in which multiple, generally benign osteochondromas of long bones appear during childhood, commonly with shortening of the radius and fibula; the ill-effects are usually mechanical but malignant change is rare; autosomal dominant inheritance. Synonym: diaphysial aclasis, hereditary deforming chondrodystrophy, multiple exostosis, osteochondromatosis. (05 Mar 2000) |
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| tarsoepiphyseal aclasis | Epiphysealis hemimelica, affects ankles and knees leading to limitation of motion. Synonym: Trevor's disease. (05 Mar 2000) |