pathologic continuity of structure, as in dyschondroplasia.
diaphyseal aclasis hereditary multiple exostoses.


A state of continuity between normal and abnormal tissue.
Synonym(s): aclasia
[G. a- priv. + klasis, a breaking away, a fragment]


(1) A pathological continuation of a normal structure—e.g., an exostosis.
(2) An obsolete term for a condition or sequence of events affecting the embryo, in which the lack of remodeling results in structural deformities.
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References in periodicals archive ?
3-D printout of a DICOM file to aid surgical planning in a 6 year old patient with a large scapular osteochondroma complicating congenital diaphyseal aclasia. J Radiol Case Rep.