What are macrophages found in the blood called?

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Enhance your NBEO Histology Test preparation skills with our quiz. Dive into multiple choice questions explained with hints and detailed answers. Ace your NBEO exam with confidence!

Multiple Choice

What are macrophages found in the blood called?

Explanation:
Macrophages in tissues come from circulating monocytes; in the blood, the cells are called monocytes. Monocytes travel in the bloodstream and, after migrating into tissues, differentiate into macrophages that perform phagocytosis and antigen presentation. Lymphocytes are a separate group of white blood cells involved in adaptive immunity, and erythrocytes are red blood cells that carry oxygen. So the circulating blood cell that gives rise to macrophages is the monocyte.

Macrophages in tissues come from circulating monocytes; in the blood, the cells are called monocytes. Monocytes travel in the bloodstream and, after migrating into tissues, differentiate into macrophages that perform phagocytosis and antigen presentation. Lymphocytes are a separate group of white blood cells involved in adaptive immunity, and erythrocytes are red blood cells that carry oxygen. So the circulating blood cell that gives rise to macrophages is the monocyte.

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