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- tags "Anatomy "
- description "Anatomu"
- fileName "GI Anatomy"
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- Coordination, rhythmic, serial contraction of smooth muscle that forces food three the digestive tract.
Marks the entrance to the digestive tract.
- Contain the taste buds
- Differentiate between bitter, sweet, sour and salty sensation
Are the rear of the jaw teeth
The three pairs of salivary glands?
- Parotid gland
- Submandibular gland
- Sublingual gland
What do salivary glands do
- Secrete fluid called saliva.
- Its about 99% water with enzymes and mucus
How much saliva do we produce a day
Which is the enzyme that initiates carbohydrate metabolism
What enzyme destroy bacteria and protects the mucous membrane from infection
Moves food from mouth to esophagus in 5-6 seconds
What is the entrance of the stomach called?
The exit of the stomach is called?
What does pepsin do?
Enzyme to break down protein
What is mucin?
It protects the stomach lining
What is intrinsic factor?
A substance secreted by the gastric mucosa to allow absorption of vitamin B12
What is the small intestine?
- A tube that is 20ft long and 1in diameter
- 90% of digestion takes place
What is the entrance of the small intestine?
Where does the small intestine end?
Major functions of the large intestine?
- Completion of absorption of water
- Manufacture of certain vitamins
- Formation of feces
- Expulsion of feces
What is the rectum?
Is the last 8in of the intestine, where fecal material is expelled.
What is the liver?
- Is the largest glandular organ.
- Produces bile
- Holds 1.5L of blood
What is bile?
A yellow brown liquid that is necessary for the emulsification of fats.
Wha lt is the gallbladder?
Bile is stored in the gallbladder till its needed for fat digestion
What is the pancreas?
- It is involved in both endocrine and exocrine duties.
- Produces 1-1.5L of pancreatic juice
What enzymes does the pancreatic juice.
- Protease (trypsin)
- Lipase (steapsin)
- Amylase (amylopsin)
Why are pancreatic enzymes important
- They digest components of chyme.
What is the papilla of Vater (major duodenal papilla)
Connects to the common bile duct from the liver and gallbladder and empties through a small orifice.
What regulates food intake