| isomorphic | Having the quality of isomorphism. Origin: Iso- + -morphous. Source: Websters Dictionary (01 Mar 1998) |
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| isomorphic response | An isomorphic reaction seen in response to trauma in previously uninvolved sites of patients with skin diseases including psoriasis and lichen planus, typically with lesions in a linear pattern at sites of scratching or a scar. Synonym: isomorphic response. (05 Mar 2000) |