What is the small intestine composed of? - Answers duodenum, jejunum, ileum
Mucosal side of intestinal epithelium - Answers specialized. cells with different structures and proteins
on this side. side bathed by the solution in the gut lumen (where the food is)
Serial Side - Answers bathed in extracellular fluid that communicates with the bloodstream
pH of the duodenum - Answers 6
pH of the terminal ileum - Answers 7.4
pH of the caecum - Answers 5.7
pH of the rectum - Answers 6.7 (but can vary with diet)
Saline solutions compatible with the jejunum - Answers Na+ 140 mmol/L, K+ 5 mmol/L, Ca++ 2.5
mmol/L, Mg++ 1.5 mmol/L, Cl- 100 mmol/L, HEPES/Tris
Which saline is similar in ionic concentration to extracellular fluid? - Answers HEPES/Tris
What can be used to study glucose transport across the intestinal epithelium? - Answers Everted
intestinal sacs
t/f the intestine is turned inside out - Answers t
why is the intestine is turned inside out? - Answers to make sure all of its contents are removed so that
they dont interfere with the results
Main Steps of everted intestine - Answers 1. glass rod/ catheter used for constriction
2. tie a knot and trim off thread to close it
3. evert the intestine
4. cut around intestine
5. everted intestine
6. gently push off
7. tie a knot
8. insert syringe
9. tie 2 knots and push solution in and cut
10. take off syringe