Download Digestive Table KEY - Iowa State University

Leader:
Course:
Instructor:
Date:
Supplemental Instruction
Iowa State University
Chelsea P
AnS 214
Dr. Adur
9/8/16
1. Complete the table. Not all boxes will be filled for every row.
Inactive Hormone
Activating
Active Substance
Function
(if applicable)
Factor
Trypsinogen
Enterokinase and Trypsin
Bite enzyme
trypsin
Chymotrypsinogen
Trypsin
Chymotrypsin
Biter
Location
Pancreas
Pancreas
Procarboxypeptidase Trypsin
Carboxypeptidase
Chewer
Pancreas
X
CCK
Suppress gastric
motility
Slows down stomach
Duodenum
G-cells
Pancreatic amylase
Activate chief and
parietal cells
Breakdown (digest
carbs)
Starch digestion
Pepsin
Protein digestion
Stomach
X
Presence of
Chyme in SI
Acidic chyme in
small intestine
Food in stomach,
raises pH
Presence of carbs
in mouth
Starch in small
intestine
HCl (gastrin
stimulates chief
cells)
Polypeptides*
Aminopeptidase
Removes amine side
Duodenum
X
Dipeptides*
Dipeptidase
Splits dipeptides
X
Presence of fatty
acid
Pancreatic Lipase
Breakdown of 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 mouth
Lingual Lipase
Smooth muscle
contractions
Intrinsic factor
production
activate pepsin and
lingual lipase
Lipid digestion
X
X
X
X
Pepsinogen
Secretin
Gastrin
Salivary Amylase
Duodenum
Mouth
Pancreas
Liver, gall
bladder,
duodenum
Stomach
Gastric
glands
Stomach
Mouth,
active in??
STOMACH
(not active in
mouth b/c
need to be
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X
Chyme in small
intestine
Gastric Inhibitory
Peptide
Gastrin inhibits
activated by
HCl)
Duodenum