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8 Cards in this Set
- Front
- Back
how does proton pump work |
CA makes bicarb and set to blood in exchange for chloride : one ATP pump anti ports the H for K another co-ports K and Cl |
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Gastrin cells (G cells) found where : gastrin binds to, what does it do |
doudenum, pyloric actrum, pancrease : ECL cell, histamine which causes partial cell acid stimulation |
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what causes gastrin release |
distension, vagus nerve, protein digestion |
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intestinal endocrine cell (I cell) activated by and does what : effects |
polyp oligop and aa, release CCK : pancreas acinar cell release tripsinogen and intestinal mucosal cell to release enteropeptidase |
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what does enteropeptidase do : effects |
makes trypsin : trypsin makes more tripsin and chyrotrypsin elastase and carboxypeptidase |
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what are some brush border enzymes that digest protein : what is absorbed : what is sent to blood |
endo amino and dipeptidases : aa di and tri with na or H : aa only secondary active from na k atpase on basolateral |
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amylase makes what : what happens to these |
maltose maltotriose and limit dextrans : bursh border maltase and oligosacchardiase to glucose |
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where is sucrase : what absorbs gal and glu, fru : what allows all these to leave |
brush border : cotransport with 2 na by sglt1, glut5 : glut 2 |