Platelets: Structure, Composition and Functions

Platelets also called thrombocytes are the formed elements of blood. They are small, non-nucleated colorless and moderately refractive bodies. They are considered to be the fragments of the cytoplasm being formed elements of blood. They are about 2.5µ (2 to 4µ) in diameter and 7.5 cu µ (7 to 8 cu µ) in volume. They … Read more

Vitamin C (ascorbic acid)

Vitamin C is a water soluble versatile vitamin. It has important role in human health and disease. It has become the most controversial vitamin in the recent years. Its controversy is due to the claims and counterclaims on the use of it in mega-doses to cure everything from common cold to cancer. The disease associated … Read more

Principal vitamins and its function

Vitamins            Function Deficiency A(retinol) Rhodopsin synthesis, normal health of epithelial cells, and bone and tooth growth. Rhodopsin deficiency, night blindness, retarded growth, skin disorders, and increased infection risks. B1(thiamine) Involved in carbohydrate and amino acid metabolism, necessary for appetite and good health, aids in normal functioning of nervous system. Beriberi- muscle weakness, neuritis and … Read more