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696920612

Light micrograph of an unstained iris showing the localization of pigment cells. The iris melanin pigment is mainly concentrated in the back surface of the iris. This micrograph shows the anterior surface which has a lower concentration of pigment.

Light micrograph of an unstained iris showing the localization of pigment cells. The iris melanin pigment is mainly concentrated in the back surface of the iris. This micrograph shows the anterior surface which has a lower concentration of pigment.

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s 500 px 326 px 0.5
m 1000 px 651 px 2
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