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					Stomach




    By: Jessica Flynn
  Intro:



•Muscular, saclike organ
•Connects the esophagus and small
 intestine.
Focus Questions:
• What are the three parts of the
  stomach?

• Where is the stomach located?
           Anatomy
• Is divided into three parts:
   –Fundus
   –Corpus
   –Antrum

• Secretes hormones, acid, mucus
  and proteases.
            Physiology
• The stomach has three main functions:
  – Kill parasites and bad bacteria that
    is digested.
  – Breakdown the food into smaller
    particles.
  – Temporarily holds food and
    releases it at a constant rate down
    to the lower parts of the digestive
    system.
Location:

            • On the left side of the
              body under the
              diaphragm
            • It is located between
              the esophagus and
              small intestine.
               Stomach Ulcers

• Is a small hole in the gastrointestinal tract.
• The size ranges between 1/8 of an inch to
  3/4
• Ulcers in the stomach are called Gastric
  ulcers.
• They are not contagious or cancerous.
• Stomach ulcers are very common
Signs and Symptoms:
• loss of appetite
• sudden, sharp stomach pains
• nausea
• frequent burping or hiccupping
• weight loss
• vomiting
• bloody or blackish bowel
  movements
      Diagnosis Process
• First they do a physical
  examination
• Then ask about past health
  problems, meds you are taking,
  your families history of health
  and allergies
• Then they perform a serious of
  test:
  – upper gastrointestinal (GI) series
  – Endoscopy
Treatments:

• They are treated by medicines prescribed
  by a doctor
• They antibacterial kills the bacteria and
  reduces the amount of acid in your
  stomach.
• If you smoke or drink alcoholic beverages
  you are also required to quit because they
  inhibits or forbids the healing of the ulcer
Interesting Facts:
• When you blush, the lining of your
  stomach also turns red.
• Your stomach has to produce a new layer
  of mucus every two weeks, otherwise it will
  digest itself.
• The acid in your stomach is strong enough
  to dissolve razorblades.
Pictures:

				
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posted:8/18/2012
language:English
pages:12