Download Hormone #1: Gastrin

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Transcript
Amylase: Helps in breaking down
carbohydrates.
 Proteases: Helps in digestion of proteins.
 Lipases: Assists in digestion of fats.

Chemical Pathway: Gastrin
Incompletely
digested proteins
Stomach
secrets
gastrin
Secrets gastric
juice that contains
pepsin and HCl
Medulla
oblongata
stomach
Proteins
digested
Chemical Pathway: Secretin
Arrival of chyme
in the duodenum
Acidity in the
duodenum rises
Secretin is
released
Sends message to
liver and
pancreas
Liver  bile
Pancreas 
sodium
bicarbonate
Neutralizes the
pH in duodenum
Chemical Pathway:
Cholecystokinin
Increased chyme in the duodenum
Cholecystokinin (CCK) activated
Pancreas: It accelerates the rate
of production and secretion of
digestive enzymes
Gallbladder: It causes the ejection
of bile into the duodenum
Chemical Pathway: Gastric
Inhibitory Peptide
GIP is
released
Arrival of fats
and
carbohydrates
Signals
pancreas
to
secrete
insulin
Inhibits
stomach
gastric
activity
Celiac Disease
Resulted when the lining of small intestine
becomes damaged when exposed to even slightest
amt. of gluten (i.e. wheat, oats).
 Patients with this disease normally have hard time
absorbing nutrients
 Patients who are diagnosed with this disease will
have to go on gluten-free diet

CROHN’S DISEASE
The inflammation of the digestive tract
 Most often found in the ileum part of the
small intestine
 Causes and pain and frequent diarrhea
