Leukocyte

{
  "id": "MLC-T-ENV-015631",
  "term": "Leukocyte",
  "field": "Environment",
  "definition": "1. Blood cells that are devoid of hemoglobin, capable of ameboid motion and phagocytosis, and act as the principal components of the immune system.\n\n2. White blood cell. Refers to a blood cell that does not contain hemoglobin. White blood cells include lymphocytes, neutrophils, eosinophils, macrophages, and mast cells. These cells are made by bone marrow and help the body fight infection and other diseases.\n\n3. A type of immune cell. Most leukocytes are made in the bone marrow and are found in the blood and lymph tissue. Leukocytes help the body fight infections and other diseases. Granulocytes, monocytes, and lymphocytes are leukocytes.",
  "subject": "Biological substances",
  "references": [
    "National Cancer Institute Thesaurus",
    "NIH Genetics Home Reference Glossary",
    "National Cancer Institute Glossary"
  ],
  "url": "https://mlchart.com/terminology/environment/leukocyte/"
}