white cells
Blood's infection fighters
White cells are blood cells that fight infection and disease—the immune system's primary agents.
Also called white blood cells or leukocytes.
The term appears in medical contexts and everyday health discussions: My white cell count is elevated, White cells attack foreign invaders in the body.
Pathogen-engulfing white blood cells
- lymphocytesAdaptive immunity cells
- monocytesCirculating immune phagocytes
- eosinophilsGranular leukocytes fighting parasites
- basophilsHistamine-containing white blood cells
phagocytes · erythrocytes · platelets · plasma · hemoglobin · hematology · bone marrow · hematopoiesis
Pathogen invasion causing illness
- leukemiaMalignancy of blood-forming tissues
- lymphomaCancer from immune cells
- HIVAIDS-causing retrovirus
- AIDSImmune deficiency syndrome
sepsis · autoimmune · immunodeficiency · neutropenia · mononucleosis · pathogens · bacteria · viruses
Proteins targeting pathogens
- antigensImmunity-triggering foreign substances
- T-cellsThymus-matured immune lymphocytes
- B-cellsAntibody-secreting immune cells
- macrophagesLarge pathogen-engulfing immune cells
phagocytosis · cytokines · interleukins · histamines · inflammation · immune response · lymph nodes · thymus
Gel surrounding the nucleus
- nucleusCentral controlling part
- organellesSpecialized cell subunits
- mitochondriaCell's energy-producing organelles
- lysosomesOrganelles containing breakdown enzymes
microscopy · staining · granules · cytology · chemotaxis
neutrophils
Pathogen-engulfing white blood cells
- lymphocytesAdaptive immunity cells
- monocytesCirculating immune phagocytes
- eosinophilsGranular leukocytes fighting parasites
basophils · phagocytes · erythrocytes · platelets · plasma · hemoglobin · hematology · bone marrow · hematopoiesis · complete blood count
infection
Pathogen invasion causing illness
- leukemiaMalignancy of blood-forming tissues
- lymphomaCancer from immune cells
- HIVAIDS-causing retrovirus
AIDS · sepsis · autoimmune · immunodeficiency · neutropenia · mononucleosis · pathogens · bacteria · viruses · parasites
antibodies
Proteins targeting pathogens
- antigensImmunity-triggering foreign substances
- T-cellsThymus-matured immune lymphocytes
- B-cellsAntibody-secreting immune cells
macrophages · phagocytosis · cytokines · interleukins · histamines · inflammation · immune response · lymph nodes · thymus · spleen
cytoplasm
Gel surrounding the nucleus
- nucleusCentral controlling part
- organellesSpecialized cell subunits
- mitochondriaCell's energy-producing organelles
lysosomes · microscopy · staining · granules · cytology · chemotaxis
- bloodblood, plasma, platelet, platelets, red blood cells
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- blood cellsred blood cells, red cells, erythrocyte, platelet, leukocyte
- Blood Componentsred blood cells, plasma, platelets, erythrocytes, hemoglobin
- lab testsblood test, blood tests, CBC, urinalysis, complete blood count
- urine testsurinalysis, dipstick, urine culture, urine sample, urine color
white cellsred cells
Oxygen-ferrying blood components
red blood cells · erythrocytes · RBCs · platelets · red corpuscles
white cellspathogens
Disease-causing microorganisms
bacteria · viruses · infectious agents · foreign bodies · antigens
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