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White Blood Corpuscles
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Leucocytes White Blood Cells

Leucocytes White Blood Cells

Basar

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White Blood cells are also known as Leucocytes as they are colorless due to lack of Haemoglobin.

White Blood cells are also known as Leucocytes as they are colorless due to lack of Haemoglobin.

There are about 6000-8000mm of WBC for 1ml of blood.

These are also called Scavengers & Microscopic policemen

White Blood Corpuscles

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WBCs

WBCs

Five Types

Classified according to the presence or absence of granules and the staining characteristics of their cytoplasm.

Leucocytes appear brightly colored in stained preparations, they have a nuclei and are generally larger in size than RBCs.

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WBCs

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Type of WBCs

Type of WBCs

Granulocyteshave large granules in their cytoplasm

Neutrophils

Eosinophils

Basophils

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Type of WBCs

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Types of WBCs

Types of WBCs

Agranulocytesdo not have granules in their cytoplasm

Lymphocytes

Monocytes

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Type of WBCs

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Granuloctyes

Granuloctyes

Neutrophils

Stain light purple with neutral dyes

Granules are small and numerouscourse appearance

Several lobes in nucleus

65% of WBC count

Highly mobile/very active

DiapedesisCan leave blood vessels and enter tissue space

Phagocytosis (eater), contain several lysosomes (janitor)

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Granuloctyes

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Granuloctyes

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Granulocytes

Granulocytes

Eosinophils or Acidophils:

Large, numerous granules

Nuclei with two lobes

2-5% of WBC count

Found in lining of respiratory and digestive tracts

Important functions involve protections against infections caused by parasitic worms and involvement in allergic reactions

Secrete anti-inflammatory substances in allergic reactions

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Granuloctyes

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Basophils

Basophils

Least numerous--.5-1%

DiapedesisCan leave blood vessels and enter tissue space

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