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heterochromia (het´er-o-kro´me-a)

A difference in coloration in two structures which are normally alike in color. [hetero- + G. chroma, color]
atrophic h. h. iridis after trauma or inflammation, or in old age.
binocular h. an increase or decrease in pigmentation of one eye, with or without extraocular pigmentary defects.
h. i´ridis , h. of iris a difference in coloration of the irides. See binocular h.
monocular h. iris bicolor
simple h. h. iridis appearing as a developmental defect, without any innervation defect.
sympathetic h. h. iridis occurring after lesions of the cervical sympathetic nerves.


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