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macrophage

A large white blood cell in the tissues that swallows and digests germs, dead cells and debris.

MAK-roh-fayj noun

Word parts

macro- large-phage eater

What it means

A cell of the immune systemih-MYOON SIS-tumThe body's defense system of cells, tissues and organs that fights germs and other foreign substances.Full entry that develops from a monocyte, a type of white blood cell, after it leaves the blood and enters the tissues. It surrounds and eats invaders and waste (phagocytosis), releases cytokineSY-toh-kineA small protein released by immune and other cells that carries signals between cells, especially during inflammation.cyt/o cell-kine movementFull entry that call other immune cells, and shows pieces of germs to lymphocytes so they can respond. Macrophages also help clean up and repair tissue during wound healingwoond HEE-lingThe body's process of repairing damaged skin and tissue.Full entry .

At a glance

Spanishmacrófago
Also writtenmacrophages

Related terms

immune system

The body's defense system of cells, tissues and organs that fights germs and other foreign substances.

blood cell

Any of the cells carried in the blood: red cells, white cells or platelets.

cytokine

A small protein released by immune and other cells that carries signals between cells, especially during inflammation.

inflammatory response

The body's protective reaction to injury or infection, which brings blood, fluid and white cells to the area.

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