Digestive System Anatomy Flashcards
When do the deciduous teeth erupt?
3 to 12 weeks
How many teeth do adult dogs have?
42 teeth
How many teeth do adult cats have?
30 teeth
What teeth are the last to erupt?
Canines
When do the last teeth erupt?
6 months of age
What is the difference between the dog esophagus and the cat esophagus?
The dog esophagus is made entirely of skeletal muscle and the distal feline esophagus is made up of smooth muscle
Are dogs or cats more prone to get things stuck in their esophagus?
Cats
What enzymes are produced in the stomach?
Hydrochloric acid and pepsinogen
What is the primary function of the stomach?
Acts as a mixing bowl where gastric digestive juices (enzymes) break down food bolus into chyme
Temporarily stores food
What is the major function of the exocrine pancreas?
Secrete digestive enzymes
How does the pancreas not digest itself?
Releasing enzymes in an inactive form
What do enzymes travel through to get to the duodenum?
Pancreatic ducts
What enzymes does the pancreas make?
Trypsinogen Chymotrypsinogen Amylase Lipase cPLI TLI
What does Trypsinogen convert to?
Trypsin
What does Trypsinogen/Trypsin do?
Digests proteins
What does Chymotrypsinogen convert to?
Chymotrypsin
What does Chymotrypsinogen/Chymotrypsin do?
Digests proteins
What does Amylase do?
Digests carbohydrates
What does Lipase do?
Digests fats
What does cPLI stand for?
Canine pancreatic lipase immunoreactivity
What does TLI stand for?
Trypsin-like immunity
What is the function of the gallbladder?
Storing bile
Where is bile made?
Liver
What does bile contain?
Bile salts
What do bile salts act like?
Detergents when they combine with fat droplets
What is the function of bile?
Makes it easier for lipases to work
Makes fats water-soluble
What are the three parts of the small intesting?
Duodenum
Jejunum
Ileum
What connects blood vessels to the intestines?
The Mesentary
What is absorbed in the small intestine?
Amino acids
Carbohydrates
Lipids
What does the small intestine contain that the large intestine does not?
Villi and microvilli
What does the villi and microvilli provide for?
A large absorptive surface for absorption to take place
What are the three parts of the large intestine?
Cecum
Colon
Rectum
What is the primary function of the large intestine?
Water and electrolyte re-absorption
What vitamins are made in the large intestine?
Vitamins K and B
What are the functions of the liver?
Produce bile, albumin, clotting factors, convert nutrients into energy, detoxifies wastes and poisons
What is the dual blood supply that supplies blood to the liver?
Hepatic arteries
Portal veins from the intestines
