Ischaemic heart disease (I.H.D.) is a syndrome caused by inadequate blood supply to the heart muscles chiefly due to coronary artery disease (spasm or occlusion of the coronary arteries). Occlusion of coronary vessels may be commonly due to atherosclerosis but also may be caused by local thrombosis or embolism, syphilitic narrowing of coronary ostium, collagen disease or arteritis. The following [...]
In this article we will discuss about the diseases caused by mosquitoes. The diseases are: 1. Yellow Fever 2. Dengue Fever 3. Chikungunya. Disease # 1. Yellow Fever: It is transmitted by Aedes and other mosquitoes and is an acute specific viral fever of short duration, varying in severity. The severe cases are characterised by toxic jaundice, albuminuria and haemorrhages [...]
Antigen (Ag) antibody (Ab) reactions occur when an antigen combines with a corresponding antibody to produce an immune complex. Therefore, an antigen-antibody reaction is thus a bimolecular association which is similar to an enzyme-substrate interaction but the only difference is that antigen-antibody reaction does not lead to an irreversible chemical interaction. The basis for antigen-antibody reactions are the non-covalent interactions [...]