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Much of the knowledge of lymphocyte life history has come from experimental situations. Lymphocytes are the only cells in the body capable of specifically recognizing and distinguishing different antigenic determinants and are responsible for the two defining characteristics of the adaptive immune response, specificity and memory. An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and killing pathogens and tumour cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish...

Preference for male child is highly prevalent in India.This has resulted in early sex determination of foetus and termination of pregnancy if it is female.This trend is deepening its roots in the society so widely that it has altered the sex ratio of India alarmingly.This leads to various social problems like polyandry,rape,female abduction etc.This work is meant to find out various socio-cultural factors responsible for gender preference for child and its impact on reproductive behaviour of the society.For this study,women of various social classes from rural and urban areas were inquired.It...

In modern world, the major causes of death and disability are found to be shifted from nutritional deficiencies and infectious diseases to non-infectious chronic diseases. Technological advancement, socio-economical transition and change in life style like taking high energy food and sedentary life are found to be associated with increased prevalence of cardiovascular disorders in the World.Clinical care of cardiovscular disorders is costly and prolonged. These diseases in adult hood are largely due to behavior initiated in adolescence like physical inactivity, tobacco and alcohol use,...