• Human Anatomy

    Cell division

    Cell division is the process by which a cell reproduces itself. Most cells of the human body undergo cell division. There are two types of cell division, mitosis and meiosis. In this process there is formation of two identical daughter cell. Mitosis In mitosis, one cell with the diploid number of chromosomes (46 number) divides into two identical cells, each with the diploid number of chromosomes. This production of cell is necessary for growth and repair of tissues. The process of DNA replication enables each chromosome (in the form of chromatin) to make a copy of itself. The time taken for the conversion of duplicate is called interphase or resting…

  • Human Anatomy

    The Lymphatic System & Diseases

    The lymphoid system is a part of circulatory system and immune system. It is a network of tissue and organs that help rid the body of toxins, waste and other unwanted materials. The cells of the body are bathed in interstitial (tissue) fluid, which leaks constantly out of the bloodstream through the permeable walls of blood capillaries. Hence the fluid is very similar in composition to blood plasma. Some tissue fluid returns through capillaries end (capillaries venous end) and reminder diffuse through the more permeable walls of the lymph capillaries, forming lymph. (Fig-01 A. Major parts of the lymphatic system. B. Regional drainage of lymph). Tissue drainage Around 21 liters…

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