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explain the complement systemto remove a microorganism by phagocytosis requires phagocytes at the right place in the right time the organism should
explain the mechanism of phagocytosisin phagocytosis the organism is entrapped into vacuoles known as phagosome the cytoplasmic granules organelles
explain the phagocytosisphagocytosis includes the ingestion of particulate material including complete pathogenic microorganisms the plasma membrane
immunoglobulin m - classification of antibodiesprotects against bacteria gives an early immune response present on surface of lymphocytes it stays
lmmunoglobulin g - classification of antibodiesmajor defence against bacteria and their toxins it is the major ig - 80 in the body can cross the
explain iinmunoglobulin e - classification of antibodiesprotects against organisms which escaped iga major deference against helminthes mediates
define inzmunoglobulin d - classification of antibodiespresent on surface of b lymphocytes along with igm plays a role in ag
explain immunoglobulin a - classification of antibodiespresent in secretions protects mucosal surfaces it is found in tears saliva and
explain antibodiesantibodies also referred to as immunoglobulins and garnmaglobulins are produced by plasma cells they are y-shaped proteins that
explain specific defence mechanismin the section on white blood cells we learnt that whenever a germ or infection enters our body the wbcs snap to
explain major histocornpatability complex mhcmajor histocompatability complex is also known as the human leukocyte antigen hla mhc molecules are
define specific defence mechanismin the section on white blood cells we learnt that whenever a germ or infection enters our body the wbcs snap to
explain interferoninterferon interferes with viruses hence the name and is produced by most cells in the body interferons like antibodies and
define the complement systemthe complement system is a series ofproteins there are only a handful of proteins in the complement system and they are
explain causes of fever - immune systemwe have seen that due to injury cut or bite the inflammatory response develop and this is localized or
explain pus formationonce a neutrophil finds a foreign particle or a bacterium it will engulf it releasing enzymes hydrogen peroxide and other
what are the functions of lymphocytesthe lymphocytes handle most of the bacterial and viral infection that we get in fact lymphocytes are directly
define the lymphocytesthey are agranulocytes the nucleus occupies approximately the entire cell they vary in size from 6- 18 mm diameter sometimes
define the functions of the macrophagesthe macrophages1 phagocytose microorganisms and inert particles2 secrete il-1 interlukin i tnf tumor
define the fixed type of macrophagesthe fixed types are located permanently in certain organs which include lungs - alveolar macrophages liver -
define the type of macrophagesmacrophages are of two typesa fixed types andb wandering
explain macrophagesthey are large long living effective phagocytes which enlarge out of monocytes it is an irregular cell about 25-50 mm in size it
explain monocytes - types of white blood cellsthey are motile and occasionally show phagocytic activity they form only 5 of leukocytes capable of
explain basophils - types of white blood cellsthey form only 005 of the leukocytes they release histamine that plays a major role in inflammatory
explain neutrophilsthey form about 50-70 cells they have fine dust like particles in the cytoplasm which stain purplish tissues cells damaged by the