Download Digestive System Table KEY

Leader:
Course:
Instructor:
Date:
Digestive System 4
Supplemental Instruction
Iowa State University
Chelsea P
AnS 214
Dr. Selsby
1/26/17
1. Complete the table. Not all boxes will be filled for every row.
Inactive Hormone
Activating
Active Substance
Function
(zymogen) (if
Factor
applicable)
Trypsinogen
Enterokinase
Trypsin
Bite enzyme
(protein)
Chymotrypsinogen
Trypsin
Chymotrypsin
Biter
(protein)
Procarboxypeptidase Trypsin
Carboxypeptidase
Chewer
X
Presence of
chyme in SI
Acidic chyme in
small intestine
CCK
Gastrin
X
Food in stomach,
raises pH
Presence of carbs
in mouth
Starch in small
intestine
HCl (gastrin
stimulates chief
cells)
Polypeptides
X
Location
Pancreas
Pancreas
Pancreas
Duodenum
Pancreatic amylase
Suppress gastric
motility
Slows down stomach
(Suppress gastric
motility)
Activate chief and
parietal cells
Breakdown (digest)
carbs
Starch digestion
Pepsin
Protein digestion
Stomach
Aminopeptidase
Removes amine side
Duodenum
Dipeptides
Dipeptidase
Splits dipeptides
X
Presence of fatty
acid
Pancreatic Lipase
Breakdown fat
Small
intestine
Pancreas
X
CCK, gastrin
Bile
Emulsify fat
X
Food in stomach
ACh
X
Food in stomach
Histamine
X
Food in stomach
HCl
X
Presence of fatty
food in match
Chyme in small
intestine
Lingual Lipase
Smooth muscle
contractions
Intrinsic factor
production
activate pepsin and
lingual lipase
Lipid digestion
X
X
X
X
Pepsinogen
X
Secretin
Salivary Amylase
Gastric Inhibitory
Peptide
Gastrin inhibits
Duodenum
G-cells
(stomach)
Mouth
Pancreas
Liver, gall
bladder,
duodenum
Stomach
Gastric
glands
Mouth,
active in??
Duodenum
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