MICROANATOMY

Detailed explanation-1: -White blood cell formation occurs in the soft tissue inside of your bones (bone marrow). Two types of white blood cells (lymphocytes) grow in the thymus gland (T cells) and lymph nodes and spleen (B cells).

Detailed explanation-2: -Mononuclear leukocytes comprise both lymphocytes and monocytes. Both cell types work together in immune responses. Monocytes are the largest of the leukocytes, and constitute about 5 % of the WBC population in peripheral blood.

Detailed explanation-3: -Types of white blood cells Lymphocytes are the main cells that make up lymphoid tissue, a major part of the immune system. Lymphoid tissue is found in lymph nodes, the thymus gland, the spleen, the tonsils, and adenoids. It’s also scattered throughout the digestive and respiratory systems and the bone marrow.