leukocyte

Immune system cell

Leukocyte is the technical term for a white blood cell—a cell of the immune system that defends the body against infection and foreign substances.

The word appears mainly in medical and scientific contexts: The patient's leukocyte count was dangerously low.

Types include lymphocytes, neutrophils, and monocytes.

types

neutrophil

Multi-lobed immune cell

basophil · granulocyte · macrophage · T-cell · B-cell · natural killer cell · mast cell · myeloid · lymphoid

biology

hematology

Science of blood disorders

bone marrow · nucleus · membrane · lysosome · granules · phagocytosis · extravasation · stem cell · progenitor · blood smear

immunity

phagocytosis

Cellular ingestion of particles

interleukin · chemotaxis · immunoglobulin · innate immunity · pathogen · infection · inflammation · immune response · histamine · interferon

clinical

white blood cell

Immune system's cellular soldier

sepsis · lymphoma · immunodeficiency · autoimmune · HIV · chemotherapy · bone marrow biopsy · blood test · diagnosis · neutropenia

inflammation

swelling

Abnormal tissue enlargement

  • rednessCrimson-hued state
  • heatTransferred thermal energy
  • painBodily or emotional distress

edema · pus · abscess · cytokine storm · tissue damage · wound healing · inflammatory response · fever · acute inflammation · chronic inflammation

Categories
Opposites
blood cell type

leukocyteerythrocyte

Oxygen-transporting blood component

red blood cell · thrombocyte · platelet · RBC · red corpuscle

immune function

leukocytepathogen

Disease-causing microorganism

bacterium · virus · parasite · infectious agent · microbe

Family

leukocytes

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Concrete · Rated G