homeostasis

Auto immunity: Introduction and Mechanism

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Introduction A condition resulted by the action of antibodies or immunologically competent cells. Cause structural or functional damage of the normal components of the body. Literally means ‘protection against self’ but means ‘injury to self’ in actual. Ehrlich postulated the concept of horror auto-toxicus. Was proposed while observing goats producing antibodies against erythrocytes from other … Read more

Homeostatic organs in man and their functions

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• The term was coined by an American physiologist Walter Cannon in 1932 AD. • It is defined as the tendency of biological systems to maintain a state of equilibrium. • The body’s self-regulation of hormones and acid-base levels, the composition of body fluids and body temperatures are examples of it. • Thus, the processes … Read more