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Black Hills Surgical Hospital |
216 Anamaria Drive | Rapid City, South Dakota 57701 |
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Vitamin A
Vitamin A is needed by the retina of the eye in the form of a specific metabolite, the light-absorbing molecule retinal, which is absolutely necessary for both low-light (scotopic vision) and color vision. Vitamin A also functions in a very different role, as an irreversibly oxidized form of retinol known as retinoic acid, which is an important hormone-like growth factor for epithelial and other cells. Test Requirements
Preparation for Your Test
Cost The cost of this test is $45.00. |
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