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A&P Chp 13

Digestiv System

What comprises the Digestive tract? also known as the "alimentary canal". Mouth, esophagus, stomach, small intestine, large intestine and rectum.
What are the accessory digestive organs? (think of purse, jewelery... a "helper") Salivary gland, Liver, Gallbladder and Pancreas
What stage is the tissue of the digestive tract developed and what week? Gastrulation, at about 4 weeks after conception.
The intestinal contents of an embryo is called ___________ and what does it consist of? Meconium... it consists of bile, mucus, and epithelial cells from digestive tract.
Definition of Buccal or Oral Cavity. Portion of the oropharnyx associated with the lips and cheek.
What are the major structures of the Mouth and Pharynx? lips, teeth, tongue, tonsils, soft and hard palates, uvula, and salivary glands.
Name and locate three glands inside of the mouth. 1. Parotid- in front of ears 2. Sublingual- Under the tongue 3. Submandibular- Lower edge of mandible
What are the four layers of digestive tissue? 1. Mucosa 2. Submucosa 3. Muscularis 4. Serosa/ adventitia
Cardiac, Fundic and Pyloric is referring to what? The Upper(cardiac), Middle(Fundic) and Lower(Pyloric) regions of the stomach.
What are the three distinct sections of the small intestine? 1. Duodenum 2. Jejunum 3. Ileum (in that order)
What is the functions of the Ileocecal Valve? Provides a barrier between small and large intestine to prevent bacteria from entering into the small. also empties the s. intestine
________ Cells maintain beneficial microorganisms in the small intestine. Paneth
Which section of L. intestine is missing? Ascending colon, Descending colon,Transverse Colon, Sigmoid Colon. Cecum- the first portion of the L. intestine.
True or false: The Hepatic Flexure is the last portion of the transverse colon. False: Hepatic flexure is the last portion of ascending colon. Splenic is last of transverse.
Describe the structure of the anus. The anus is an opening surrounded of an inner ring of smooth muscle and an outer sphincter of skeletal muscles deep in the skin of the anus.
Removal of Gall Bladder directly effects _____. Bile storage
True or False: The reason people are intolerant to food is because they are allergic. False- It is because they cannot digest or absorb the food.
Exocrine functions of the pancreas involve the production of _______________. Digestive Enzymes: Salivary Amylase, Protease, Enterokinase.
The hypothalamus regulates _________ factors, in turn, regulate hunger and thirst. Preagastric (factors)- conditions that can dramatically affect food intake.
Name two glandular organs Pancreas and Liver
The _______ conects the mouth and the esophagus Pharynx
The large intestine is a short, wide tube that absorbs ________ and _______. Water and Electrolytes
The endocrine function of the pancreas involves _______ and _________ and regulates ________. Insulin and Glucagon... Blood Sugar
The Parasympathetic Nervous system stimulates _________. Digestion
Polyps outgrowths of the mucosa that can develop into cancer.
Aging of the digestive tract affects the nutrient supply to ______________. Other Organ Systems
Created by: mrskater



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