Quiz 1 Flashcards
How many subdivisions does the digestive system have?
Two, the digestive tract and accessory organs
What is the digestive tract?
A muscular tube extending from mouth to anus
What do the accessory organs include?
Teeth, tongue, salivary glands, liver, gallbladder, and pancreas.
The pyloric valve/ sphincter regulates what?
The passage of chyme (stomach contents) into the duodenum
The lower esophageal sphincter regulates what?
The passage of food from the esophagus into the stomach
Whats in the small intestine?
Duodenum
Jejunum
Ileum
What are the four regions of the large intestine? (ascending, transverse, & descending)
Cecum
Colon
Rectum
Anal Canal
What occurs when the teniae coli is tensed?
strips of smooth muscle of the muscularis externa, causes the colon’s wall to form pouch-like outpocketings called haustra.
Greater Omentum
hangs like a fatty apron from the greater curvature of the stomach
Lesser Omentum
Extends from the lesser curvature of the stomach to the liver
What is the liver’s only contribution to the digestive system?
Secretion of bile
Where is Bile stored?
In the Gallbladder
The fusion of the cystic duct from the
gallbladder and the hepatic duct from the liver forms?
The common bile duct, which travels in the lesser omentum
Where are the three pairs of extrinsic salivary glands?
Outside of the oral mucosa but communicate with the oral cavity via ducts.
Where are the parotid glands
Anterior to the glands
