Macrophages- Definition, Structure, Immunity, Types, Functions

Macrophages

What are Macrophages? Macrophages Definition Macrophages are mononuclear cells functioning as professional phagocytes in order to remove dying, dead or harmful pathogens. Macrophages are a type of white blood cell of the immune system where they engulf and digest particles that are detected as antigens by other blood cells. These are larger phagocytic cells that occur in essentially all types …

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Innate Immune System- An Introduction

Innate Immune System- An Introduction

Introduction The innate immune system provides the first line of host defense against microbes, before adaptive immune responses have had sufficient time to develop. The mechanisms of innate immunity exist before exposure to microbes. The cellular components of the innate immune system include epithelial barriers and leukocytes (neutrophils, macrophages, NK cells, lymphocytes with invariant antigen receptors, and mast cells). The …

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Macrophages- Introductions and Functions

Macrophages- Introductions and Functions

Macrophages The mononuclear phagocytic system consists of monocytes circulating in the blood and macrophages in the tissues. The monocyte is considered a leukocyte in transit through the blood, which becomes a macrophage when fixed in a tissue. Monocytes and macrophages as well as granulocytes are able to ingest particulate matter (microorganisms, cells, inert particles) and are said to have phagocytic …

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