immune system

IMMUNE SYSTEM CELLS AND THEIR FUNCTIONS

All the cells of the immune system inclusive of blood cells originate from the bone marrow during haematopoiesis from progenitor haematopoietic stem cells. Haematopoiesis is simply defined as the biological process involved in the formation of blood cells (i.e. white blood cells, red blood cells and platelets) and other cellular components of blood particularly the […]

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Immunology & Immune System, ,

RESPONSES OF THE IMMUNE SYSTEM

The immune system is a complex system which consists of collection of cells, organs, tissues and molecules that work together to protect an organism or animal from disease and invading foreign agent’s (i.e. pathogens). For the immune system to function properly and constantly keep the integrity of the human body intact and free from microbes, it

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ELIE METCHNIKOFF (1845-1916)

Elie Metchnikoff was a Russian biologist, zoologist and protozoologist who is best remembered for his pioneering research work into the immune system, specific cells and organs of the body (e.g. white blood cells, spleen, antibodies and thymus) which protect it from diseases and infectious agents. An associate of Louis Pasteur, Elie coined the word “phagocytosis”

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Introduction to Immunology / Immune System

Immunology is simply defined as the study of how the immune system of a living organism functions in either a disease condition or a healthy state. It is the study of how an organism responds to foreign bodies (antigens) that it comes in contact with in the environment, and its differentiation from the body’s own

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