white blood cell
Body's infection fighter
A white blood cell is a cell in the blood that fights infection and disease.
Unlike red blood cells, which carry oxygen, white blood cells are part of the immune system—they identify and destroy bacteria, viruses, and other foreign invaders.
A high white blood cell count often indicates infection or inflammation.
Multi-lobed immune cell
- lymphocyteImmune system white cell
- monocytePhagocytic blood leukocyte
- eosinophilAcidophilic white blood cell
- basophilGranular immune cell type
Protein targeting foreign substances
- antigenImmune response inducer
- phagocytosisCellular ingestion of particles
- pathogenDisease-causing microorganism
- infectionPathogen invasion causing illness
inflammation · immune response · innate immunity · immunoglobulin · complement · interferon · cytokine · interleukin
Blood cell birthplace
- hematopoiesisBlood cell production process
- thymusLymphoid organ maturing T-cells
- spleenBlood-filtering abdominal organ
- lymph nodeImmune system filter
lymphatic system · differentiation · maturation · CBC · myeloid · lymphoid
Malignancy of blood-forming tissues
- leukocytosisExcess circulating white cells
- leukopeniaLow white cell count
- lymphomaCancer from immune cells
- neutropeniaInsufficient neutrophils in blood
immunodeficiency · autoimmune · HIV · AIDS · sepsis · allergic reaction · anemia · myeloma
neutrophil
Multi-lobed immune cell
- lymphocyteImmune system white cell
- monocytePhagocytic blood leukocyte
- eosinophilAcidophilic white blood cell
basophil · macrophage · granulocyte · phagocyte · leukocyte
antibody
Protein targeting foreign substances
- antigenImmune response inducer
- phagocytosisCellular ingestion of particles
- pathogenDisease-causing microorganism
infection · inflammation · immune response · innate immunity · immunoglobulin · complement · interferon · cytokine · interleukin · chemotaxis
bone marrow
Blood cell birthplace
- hematopoiesisBlood cell production process
- thymusLymphoid organ maturing T-cells
- spleenBlood-filtering abdominal organ
lymph node · lymphatic system · differentiation · maturation · CBC · myeloid · lymphoid
leukemia
Malignancy of blood-forming tissues
- leukocytosisExcess circulating white cells
- leukopeniaLow white cell count
- lymphomaCancer from immune cells
neutropenia · immunodeficiency · autoimmune · HIV · AIDS · sepsis · allergic reaction · anemia · myeloma · chemotherapy
nucleus
Central controlling part
receptor · amoeboid · migration · extravasation · pseudopod · lysosome · peroxidase · histamine · heparin · microscopy
- cellscells, nerve cells, brain cells, mitosis, skin cells
- cell biologycytoplasm, ribosome, mitochondria, nucleus, organelles
- blood cellsred cells, erythrocyte, platelet, leukocyte, leukocytes
- Microscopicbacterium, virus, amoeba, paramecium, microbe
- microbe eatersphagocyte, macrophage, neutrophil
- bloodplasma, platelet, platelets, hemoglobin, RBC
white blood cellred blood cell
Oxygen-carrying blood component
erythrocyte · platelet · RBC · thrombocyte