Medical dictionary. 2011.
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Albinism — Partial or total lack of the pigment melanin in the skin, hair and iris. The word albino is Portuguese and comes from the Latin albus for white. * * * A group of inherited (usually autosomal recessive) disorders with deficiency or absence of… … Medical dictionary
Iris (anatomy) — Iris The iris is the blue area. The other structures visible are the pupil center and the white sclera surrounding the iris. The overlying cornea is pictured, but not visible, as it is transparent … Wikipedia