Delta cell
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Overview
Delta cells (δ-cells or D cells) are somatostatin producing cells.
They can be found in the stomach, intestine and the Islets of Langerhans in the pancreas.
In rodents delta-cells are located in the periphery of the islets; in humans the islet architecture is generally less organized and delta-cells are frequently observed inside the islets as well.
In the electron microscope, delta-cells can be identified as cells with smaller and slightly more compact granules than beta cells.
Clinical significance
A tumor of the delta cells is called a "somatostatinoma".
External links
- MeSH D+Cells
- Delta+cell at eMedicine Dictionary
- c_18/12223106 at Dorland's Medical Dictionary
Endocrine system > Pancreas - Islets of Langerhans | |
|---|---|
| A/B | alpha cell (glucagon) • beta cell (insulin) |
| Other | delta cell (somatostatin) • PP cell (pancreatic polypeptide) • epsilon cell (ghrelin) |
Digestive system, physiology: gastrointestinal physiology | |
|---|---|
| Enteric nervous system | Meissner's plexus - Auerbach's plexus |
| Exocrine | Chief cells (Pepsinogen) - Parietal cells (Gastric acid, Intrinsic factor) - Goblet cells (Mucus) |
| Endocrine/paracrine | G cells (gastrin), D cells (somatostatin) - ECL cells (Histamine) - enterogastrone: I cells (CCK), K cells (GIP), S cells (secretin) |
| Border | Brunner's glands - Paneth cells - Enterocytes |
| Fluids | Saliva - Bile - Intestinal juice - Gastric juice - Pancreatic juice |
| Processes | Swallowing - Vomiting - Peristalsis (Interstitial cell of Cajal) - Migrating motor complex - Borborygmus - Gastrocolic reflex - Segmentation contractions - Defecation |
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
