MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The largest WBC; a macrophage
A
monocyte
B
lymphocyte
C
basophil
D
neutrophil
Explanation: 

Detailed explanation-1: -Monocytes are a type of WBCs. They are the largest of all leukocytes. Monocytes mature in different types of macrophages at different locations. Monocytes and their macrophages serve three main functions as phagocytosis, antigen presentation and cytokine production.

Detailed explanation-2: -Monocytes are the largest cells of the blood (averaging 15–18 m in diameter), and they make up about 7 percent of the leukocytes.

Detailed explanation-3: -Monocytes are the largest type of white blood cell and are nearly twice the size of a red blood cell. Under a microscope, monocytes are easy to identify based on their size. Monocyte cells have a two-bodied nucleus (bilobed nuclei) center that floats in a contained fluid called cytoplasm.

Detailed explanation-4: -In tissues, monocytes develop into much larger phagocytic cells known as macrophages.

Detailed explanation-5: -The largest WBCs are Monocytes and the smallest WBCs are called Lymphocytes.

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