File:Pancreas histology 005.jpg
Pancreas_histology_005.jpg (375 × 500 pixels, file size: 64 KB, MIME type: image/jpeg)
Pancreas Islet Insulin
Rat pancreas - endocrines, endocrine pancreas, island of Langerhans, stained for insulin, counter-stained with toluidine blue
- 75% beta-cells which secrete insulin. Insulin stimulates the synthesis of glycogen, protein and fatty acids. It also facilitates the uptake of glucose into cells and activates glucokinase in liver cells. Beta-cells are fairly easy to recognize in EM pictures because the contents of their secretory vesicles typically form one or two crystals.
- 20% alpha-cells which secrete glucagon. The effects of glucagon are generally opposite to those of insulin. The contents of the secretory vesicles of alpha-cells are fairly electron dense, and they are typically smaller than those of delta-cells (average of about 300 nm).
- 5% delta-cells which secrete somatostatin, a locally acting hormone which inhibits other endocrine cells.
- Pancreas Histology Links: overview (label) | exocrine (label) | endocrine (label) | blood vessels (label) | insulin (label) | overview | exocrine | endocrine | blood vessels | insulin | Islet labeled for insulin and Glucagon | Insulin (Fl) | Glucagon (Fl) | GIT Histology
Pan40ic.jpg
Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.
Cite this page: Hill, M.A. (2024, March 29) Embryology Pancreas histology 005.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Pancreas_histology_005.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 00:16, 10 July 2011 | 375 × 500 (64 KB) | S8600021 (talk | contribs) | Pan40ic.jpg |
You cannot overwrite this file.
File usage
The following 4 pages use this file: