White blood cells (scientific name leukocytes), also called immune cells or immunocytes, are cells of the immune system that are involved in protecting...

Leukocyte esterase (LE) is an esterase (a type of enzyme) produced by leukocytes (white blood cells). A leukocyte esterase test (LE test) is a urine test...

In immunology, leukocyte extravasation (also commonly known as leukocyte adhesion cascade or diapedesis – the passage of cells through the intact vessel...

The human leukocyte antigen (HLA) system is a complex of genes on chromosome 6 in humans that encode cell-surface proteins responsible for regulation...

They are also known as neutrocytes, heterophils or polymorphonuclear leukocytes. They are formed from stem cells in the bone marrow and differentiated...

harmful stimuli, and is achieved by the increased movement of plasma and leukocytes (in particular granulocytes) from the blood into the injured tissues....

categorize each leukocyte into specific "leukocyte alkaline phosphatase indices". This marker is designed to distinguish leukocytes and determine different...

Leukocyte adhesion deficiency (LAD) is a rare autosomal recessive disorder characterized by immunodeficiency resulting in recurrent infections. LAD is...

Monocytes are a type of leukocyte or white blood cell. They are the largest type of leukocyte in blood and can differentiate into macrophages and monocyte-derived...

Leukocytosis is a condition in which the white cell (leukocyte) count is above the normal range in the blood. It is frequently a sign of an inflammatory...

of the blood platelets that causes them to be abnormally large. In the leukocytes, the presence of very small rods (around 3 micrometers), or Döhle-like...

Leukocyte-promoting factor, more commonly known as leukopoietin, is a category of substances produced by neutrophils when they encounter a foreign antigen...

(CD stands for cluster of differentiation), which was originally called leukocyte common antigen (LCA). PTPRC is a critical enzyme involved in regulating...

Journal of Leukocyte Biology is a monthly peer-reviewed medical journal covering all aspects of immunology. The focus of the journal is on leukocyte physiology...

elastase (EC 3.4.21.37, leukocyte elastase, ELANE, ELA2, elastase 2, neutrophil, elaszym, serine elastase, subtype human leukocyte elastase (HLE)) is a serine...

Human leukocyte antigen (HLA) B27 (subtypes B*2701-2759) is a class I surface molecule encoded by the B locus in the major histocompatibility complex...

found on lymphocytes and other leukocytes. LFA-1 plays a key role in emigration, which is the process by which leukocytes leave the bloodstream to enter...

lobed into three segments); and are referred to as polymorphonuclear leukocytes (PMN, PML, or PMNL). In common terms, polymorphonuclear granulocyte refers...

established in the 1st International Workshop and Conference on Human Leukocyte Differentiation Antigens (HLDA), held in Paris in 1982. This system was...

Donor lymphocyte (or leukocyte) infusion (DLI) or buffy coat infusion is a form of adoptive immunotherapy used after hematopoietic stem cell transplantation...

agranulocytes (also known as nongranulocytes or mononuclear leukocytes) are one of the two types of leukocytes (white blood cells), the other type being granulocytes...

The leukocyte immunoglobulin-like receptors (LILR) are a family of receptors possessing extracellular immunoglobulin domains. They are also known as CD85...

Leukocyte apheresis is a medical device therapy (selective granulocyte/monocyte adsorptive {GMA} apheresis; GMDN code: 47306) for the treatment of inflammation...

The antigen leukocyte antibody test (ALCAT test) is one that claims to measure adverse reactions to dietary substances. It was created by American Medical...

Medicines. A number of other versions also exist including whole blood, leukocyte reduced red blood cells, and washed red blood cells. RBCs are used to...

Indium-111, and then injected intravenously into the patient. The tagged leukocytes subsequently localize to areas of relatively new infection. The study...

Congenital disorder of glycosylation type IIc or Leukocyte adhesion deficiency-2 (LAD2) is a type of leukocyte adhesion deficiency attributable to the absence...

In tissue and organ transplantation, the passenger leukocyte theory is the proposition that leucocytes within a transplanted allograft sensitize the recipient's...

A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. Lymphocytes include T cells (for cell-mediated and cytotoxic...

expected variability in differential leukocyte counting" (PDF). In Koepke, J. A. (ed.). Differential leukocyte counting. College of American Pathologists...