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Digestive System I.

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Presentation on theme: "Digestive System I."— Presentation transcript:

1 Digestive System I

2 Fig

3 Fig

4 Fig

5 Fig

6 Fig a

7 Fig

8 Fig

9 Fig b

10 Fig

11 Fig

12 Fig

13 Fig

14

15 Fig a

16 Fig

17 Fig a

18 Lab Intro Fig

19 Fig

20 Fig a

21 Digestive System II

22 Fig a

23 Fig

24 Fig

25 Fig b

26 Fig

27 Fig c

28 Fig

29 Fig

30 Fig

31 Fig

32 Fig

33 Fig a

34 Fig c

35 Fig c

36 Hepatic Portal Hypertension (not in text)

37 Varicosities within abdomen (hepatic portal hypertension)

38 Fig c

39 Fig

40 Fig. 22.28 3) Secretin stimulates liver to make bile.
(note: Bile salts returning from enterohepatic circulation are most powerful stimulus for bile secretion) Acidic, fatty chyme enters duodenum In response, enteroendocrine cells produce secretin and cholecystokinin (CCK) These hormones enter the circulation. 1) 4) Cholecystokinin stimulates gallbladder smooth muscle contractions to release bile 5) 2) Cholecystokinin causes hepatopancreatic sphincter to relax Bile and pancreatic juice enter duodenum. Secretin stimulates pancreatic release of alkaline (HCO3-) to neutralize acidic chyme (H+). Cholecystokinin stimulates pancreatic release of: lipases (fat dig.) amylase (carbo dig.) trypsin (protein dig.)

41 Digestive System III

42 Pancreatitis may result from gall stone blocking pancreatic duct
3) Fig Secretin stimulates liver to make bile. (note: Bile salts returning from enterohepatic circulation are most powerful stimulus for bile secretion) Acidic, fatty chyme enters duodenum In response, enteroendocrine cells produce secretin and cholecystokinin (CCK) These hormones enter the circulation. 1) 4) Cholecystokinin stimulates gallbladder smooth muscle contractions to release bile 5) 2) Cholecystokinin causes hepatopancreatic sphincter to relax Bile and pancreatic juice enter duodenum. Secretin stimulates pancreatic release of alkaline (HCO3-) to neutralize acidic chyme (H+). Cholecystokinin stimulates pancreatic release of: lipases (fat dig.) amylase (carbo dig.) trypsin (protein dig.) Pancreatitis may result from gall stone blocking pancreatic duct

43 How does a pancreatic cell produce an alkaline solution?
(top of page 9 in notes)

44 Fig

45 Fig a

46 Fig b

47 Fig

48 Fig b

49 Fig

50 Fig a

51 Fig b

52 Fig a

53 Fig c

54 Fig d

55 Fig

56 Fig a

57 Ileostomy (not in text): Due of colon cancer, entire colon removed and ilium routed through abdomen.

58 Patient wears a disposable colostomy bag which is changed several times a day

59 Digital Rectal Exam (not in your text)

60 Colonoscopy: (not in your text), Picture of procedure, picture of polyp

61

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63 Fig a

64 Fig

65 Fig

66 Fig

67 Fig

68 Fig

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