What are the main harms caused by vitamin a deficiency, Biology

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What are the main harms caused by vitamin A deficiency? How does this vitamin act in the physiology of vision?

Deficiency of vitamin A (retinol) might be cause night blindness, corneal dryness (xerophthalmia) and predisposition to skin injuries.

In the physiology of image, vitamin A participates in the formation of rhodopsin, a pigment responsible for the visual perception in less illuminated places.

Nutrition Vitamins - Image Diversity: vitamin A deficiency

 


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