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Albino Children, 19th Century

Lithograph from Hebra's Atlas showing two albino children, a girl with long braids and a slightly younger boy, supposedly her brother. Albinism is a congenital disorder characterized by the complete or partial absence of pigment in the skin, hair and eyes due to absence or defect of tyrosinase, a copper-containing enzyme involved in the production of melanin. Albinism results from inheritance of recessive gene alleles and is known to affect all vertebrates, including humans. Albinism is associated with a number of vision defects, such as photophobia, nystagmus and astigmatism. Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers.
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Título:
Albino Children, 19th Century
Descripción: Ver traducción automática
Lithograph from Hebra's Atlas showing two albino children, a girl with long braids and a slightly younger boy, supposedly her brother. Albinism is a congenital disorder characterized by the complete or partial absence of pigment in the skin, hair and eyes due to absence or defect of tyrosinase, a copper-containing enzyme involved in the production of melanin. Albinism results from inheritance of recessive gene alleles and is known to affect all vertebrates, including humans. Albinism is associated with a number of vision defects, such as photophobia, nystagmus and astigmatism. Lack of skin pigmentation makes for more susceptibility to sunburn and skin cancers.
Crédito:
Album / NLM/Science Source
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? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen:
2850 x 3723 px | 30.4 MB
Tamaño impresión:
24.1 x 31.5 cm | 9.5 x 12.4 in (300 dpi)
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