Islets of Langerhans

{
  "id": "MLC-T-ENV-015003",
  "term": "Islets of Langerhans",
  "field": "Environment",
  "definition": "Irregular microscopic structures consisting of cords of endocrine cells that are scattered throughout the pancrease among the exocrine acini. Each islet is surrounded by connective tissue fibers and penetrated by a network of capillaries. There are four major cell types. The most abundant beta cells (50-80%) secrete insulin. Alpha cells (5-20%) secrete glucogan. PP cells (10-35%) secrete pancreatic peptide. Delta cells (~5%) secrete somatostatin.",
  "subject": "Biological substances",
  "references": [
    "NLM Medical Subject Headings (MeSH)"
  ],
  "url": "https://mlchart.com/terminology/environment/islets-of-langerhans/"
}