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: