White Blood Corpuscles

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Contain histamine,serotonin,heparin—inflammatory chemical

Granulocytes

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Agranulocytes

Lymphocytes

Smallest WBC

Large nuclei/small amount of cytoplasm

Account for 25% of WBC count

Two types—T lymphocytes—attack an infect or cancerous cell, B lymphocytes—produce antibodies against specific antigens (foreign body)

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Agranulocytes

Monocytes

Largest of WBCs

Dark kidney bean shaped nuclei

Highly phagocytic

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WBC Numbers

Doctors look at WBC numbers.

If number goes up there is some kind of infection and surgery might be needed.

Clinics will count the number of WBC’s in a blood sample, this is called differential count.

A decrease in the number of white blood cells is leukopenia

An increase in the number of white blood cells is leukocytosis.

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Formation of WBC’s

Leucocytes are formed in the red marrow of many bones.

They can also be formed in lymphatic tissue.

They live for about 13-20 days.

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N.RajaSekhar

Created by

RGUIIIT,Basar