Enterocyte
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Enterocyte is a type of epithelial cell of the superficial layer of the small and large intestine tissue. These cells can help break up molecules and transport them into the tissues.
Glucose, from the intestinal lumen, crosses the apical membrane of the enterocyte using the Na+ dependent glucose transporter; moves through the cytosol and exits the enterocyte via the basolateral membrane (into the blood capillary) using GLUT-2 (SLC2A2). Galactose uses the same transport system.
Fructose, on the other hand, crosses the apical membrane of the enterocyte, using GLUT-5 (SLC2A5). It is thought to cross into the blood capillary using one of the other GLUT transporters.
[edit] External links
- Histology at BU 11706loa - "Digestive System: Alimentary Canal - jejunum, goblet cells and enterocytes"
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| Upper gastrointestinal tract
Mouth | Pharynx (nasopharynx, oropharynx, hypopharynx) | Esophagus | Crop | Stomach (rugae, gastric pits, cardia, pylorus) Lower gastrointestinal tract Small intestine (duodenum, jejunum, ileum) | Vermiform appendix Large intestine: Cecum | Colon (ascending colon, transverse colon, descending colon, sigmoid colon) | Rectum (Houston valve, rectal ampulla, pectinate line) | Anal canal (anal valves, anal sinuses, anal columns) Anus: Sphincter ani internus muscle | Sphincter ani externus muscle Enteric nervous system: Meissner's plexus | Auerbach's plexus Enteroendocrine cells: G cells | Enterochromaffin cells | Enterochromaffin-like cell GALT: Peyer's patches | M cells parietal cells | chief cells | goblet cells | Brunner's glands | Paneth cells | enterocytes intestinal villus/microvillus | crypts of Lieberkühn | circular folds | taenia coli | haustra | epiploic appendix |
