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iris coloboma

a congenital defect of the iris that shows as a cleft or fissure (coloboma) extending outward from the edge of the pupil. A coloboma usually occurs in the lower portion of the iris. The defect may be one of several signs of a chromosomal anomaly.

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Psychology term of the day

January 15th 2025

chemotherapy

chemotherapy

n. the use of chemical agents to treat diseases, particularly cancer, in which case it is contrasted with radiation therapy. —chemotherapeutic adj. —chemotherapist n.