27.07.2013 Views

Øsofagus' og ventriklens sygdomme - Gastro.patologi.org

Øsofagus' og ventriklens sygdomme - Gastro.patologi.org

Øsofagus' og ventriklens sygdomme - Gastro.patologi.org

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Antrum<br />

F<strong>org</strong>renede kirtler, kompakt<br />

lejrede, mindre mængde lamina<br />

propria end i cardia, pits ca. 30-<br />

40% af højden, mucinøse celler,<br />

gastrin-producerende celler,<br />

ECL-celler.<br />

Foveolære celler: Neutral mucin, bikarbonat, PAS-positive, mucosa barriere integritet.<br />

Mucinøse halsceller: ligner det foveolære epitel, indeholder færre cytoplasmatiske mucin<br />

granula, producerer sure glykoproteiner, primære funktion mucosal proliferation <strong>og</strong> regeneration.<br />

Parietalceller: ca. 30% af cellerne i corpuskirtlerne, hydr<strong>og</strong>enchlorid, intrinsic faktor, TGF-alfa<br />

mm. Stimuleres af gastrin, histamin <strong>og</strong> acetylcholin.<br />

Hovedceller: ca. 20-26% af cellerne i corpuskirtlerne, lipase <strong>og</strong> pepsin<strong>og</strong>en.<br />

Endokrineceller: mindst 8 forskellige celletyper, enterochromaffine (EC) producerer serotonin,<br />

findes i antrum <strong>og</strong> CF, enterochromaffin-like cells (ECL) producerer histamin findes i CF, Dceller<br />

producerer somatostatin findes i antrum <strong>og</strong> CF, G-celler producerer gastrin, findes i<br />

antrum, Ghrelin-producerende <strong>og</strong> findes i CF. D1 <strong>og</strong> X producerer et ukendt hormon, P producerer<br />

muligvis gastrin releasing hormone.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!