medio nursing

  Vitamin-A (Retinol) What Is Vitamin-A : Vitamin A, also known as retinol, is a fat-soluble vitamin that plays several essential roles in the body. Vitamin A (Retinol) is a fat-soluble vitamin formed within the body (liver or intestinal mucosa) from carotene (the yellow pigments of plants, which are also called provitamin A). The liver has enough capacity to store Vitamin A to meet needs for 6 to 9 months. Function of Vitamin-A : 1. Vision :  Vitamin A is crucial for maintaining healthy vision, especially in low-light conditions. It is a key component of rhodopsin, a protein in the eyes that absorbs light. 2. Immune System :  It supports the immune system by helping to form and maintain healthy skin and mucous membranes, which act as barriers against infections. 3. Cell Growth :   It plays a role in the development and differentiation of cells, particularly in skin, tissues, and organs. 4. Reproduction :  Vitamin A is important for reproduction and fetal develo...