Immunology

It is the study of Immune system.

Amino acids and Proteins

Living systems are made up of Proteins .They are the dehydration polymers of amino acids.Each amino acid residue is joined by a peptide linkage to form proteins. Proteins are the molecular instruments in which genetic information is expressed, Hormones, Antibodies,transporters, the lens protein, the architectural framework of our tissues and a myriad of substances having distinct …

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Enzymes

Body proteins perform a large number of functions. One such unique function is, they act as biological catalysts (Enzymes) .They are responsible for highly complex reactions. They direct the metabolic events and exhibit specificity toward substrates, regulate the entire metabolism.Thus, they play key role in the degradation and synthesis of nutrients, biomolecules etc. The most …

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Immune deficiency

Immune deficiency is a condition in which the system fails to protect the host from disease causing agent or from malignant cells. Immune deficiency or immune deficiency is a state in which the immune systems ablity to fight infectious disease is compromised or entirely absent. Two types of immune deficiency Primary/congenital/inherited immunodeficiency:- It results from …

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Hypersensitive Reactions

Definition: Hypersensitive reactions are inflammatory reactions within the humoral or cell-mediated branches of the immune system that lead to extensive tissue damage or even death. The four types of hypersensitive reactions (Gell and Coombs classification) generate characteristic  effector molecules and clinical manifestations Type I Hypersensitive Reaction It is mediated by IgE antibodies whose Fc portion …

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