Question

Which cell type is the most numerous white blood cell in circulation, is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides

Answer 1

Neutrophils are the most numerous leukocytes in circulation, it is the first leukocyte recruited from the bloodstream to injured tissues, and releases potent antimicrobial peptides.

Neutrophils are a type of white blood cell, they are granulated and have a multilobed nucleus. The cytoplasmic granules contain microbicidal substances.

The major functions of neutrophils are:

• Destroying the pathogen by phagocytosis.
• Disintegrating the bacterial toxins
• Helping other immune cells to generate an immune response against the invading pathogen.

Neutrophils play a very important role in immune functions as they are the first cells to travel to the site of infection and disintegrate the pathogen by microbicidal substances in their granules and by phagocytosis.

Know more about neutrophils here:

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