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

Tuberculosis: Etiology and Patho-physiology, Classification, Clinical Manifestations and Complications

An infectious disease which is caused by Mycobacterium tuberculosis is called tuberculosis. It is a primary cause of death worldwide that is a potentially curable infectious disease. Death of HIV patients is mostly due to the secondary infection i.e. tuberculosis. The incidence of TB worldwide was decreased until the mid-1980s when HIV disease emerged. There … Read more