WBC

Leukocytes:

White blood cells are key components of the immune system protecting the body from infections

Major types of leukocytes:

Neutrophils 40-70%. Lymphocytes 20-40%. Monocytes 2-10%. Eosinophils 1-6%. Basophils <1%

Infections:

Identifies bacterial, viral or parasitic causes

Immune disorders:

Detects allergies and autoimmune conditions

Blood disorders:

Evaluates bone marrow health and Lukemia

Inflammatory conditions:

Assesses responses to injury or chronic diseases.

Neutrophils:

Fight bacterial infections through phagocytosis.

High Neutrophilia:

Indicates bacterial infections, inflammation.

Low Neutropenia:

Seen in severe infections or bone marrow suppression.

Lymphocytes:

mediate adaptive immune responses (T cells, B cells and natural killer cells)

High Lymphocytosis:

Common in viral infections and lymphomas.

Low Lymphopenia:

Associated with HIV, corticosteroid use.

Monocytes:

remove debris and fight chronic infections by transforming into macrophages

High Monocytosis:

Seen in tuberculosis, autoimmune diseases

Eosinophils:

parasitic infections and regulate allergic responses

High Eosinophils:

Suggests parasitic infections or allergies

Basophils:

release histamine in allergic reactions and mediate inflammation

High Basophilia:

Indicates chronic allergies or myeloproliferative diseases