Anatomical and Physico-chemical barriers of immune system
Anatomical and Physico-chemical barriers of immune system Anatomical barriers Skin and mucus membrane are the examples of anatomical barriers that provides immunity. Skin and mucus […]
Month: February 2018
Phagocytosis or Phagocytic barrier of immune system
Phagocytosis or Phagocytic barrier of immune system Phagocytosis is an important defense mechanism of host to provide immunity. Most of the bacteria that enter into […]
Immunity and its types: Innate and Acquired immunity
Immunity and its types: Innate and Acquired immunity Immunity is derived from Latin word “immunis” which means free from burden. In this case burden refers […]
Cells of immune system: Lymphocytes, phagocytic cell, granulocytes and dendritic cells
Cells of immune system: Lymphocytes, phagocytic cell, granulocytes and dendritic cells WBCs are the principle cells of immune system formed hematopoietic stem cell by the […]
Natural killer (NK) cell
Natural killer (NK) cell Natural Killer (NK) cells are large granular lymphocytes (LGL) present in small proportion in spleen and peripheral blood. Unlike T-cell and […]
B- lymphocytes: surface receptor and functions
B- lymphocytes: surface receptor and functions The name B-cell is derived from its site of maturation and differentiation in Bursa of fabricius in Birds. In […]
T-lymphocyte: types and functions
T-lymphocyte: types and functions T-cells originate in bone marrow and mature and differentiate in thymus. The name T- cells is derived from its site of […]
Difference between innate and acquired immunity
Difference between innate and acquired immunity Point of distinction Innate immunity Acquired immunity Definition Immunity with which an individual is born Immunity which […]
Virulence factors of bacteria; microbial virulence factors
Virulence factors of bacteria; microbial virulence factors Virulence factor refers to the components or structure of microorganism that helps in establishment of disease or infection. […]
Inflammation or Inflammatory barrier of immune system
Inflammation or Inflammatory barrier of immune system Inflammation is an important defense mechanism of host to prevent infection. It is induced in response to tissue […]