30 Questions
What is the type of muscle present in the Muscularis mucosae?
Smooth muscle
What is the function of the Myenteric plexus in the GIT?
Regulation of muscle contraction
What is the term for the transition points in the GIT mucosa?
Mucosal transition zones
What is the type of tissue present in the Submucosa?
Loose collagenous connective tissue
What is the name of the plexus of nerves present in the Submucosa?
Plexus of Meissner
What is the outermost layer of the GIT wall?
Serosa
What is the role of Peyer's patches in the GI tract?
To sample the contents of the GI tract
What type of epithelium lines the intestinal villi?
Simple columnar epithelium
What is the function of goblet cells in the small intestine?
To produce mucin for lubrication and protection
Where are Paneth cells typically located in the small intestine?
At the base of the crypts
What is the main function of enterocytes in the small intestine?
To absorb nutrients
What is the name of the base of a villus that is closest to the submucosa?
Crypt of Lieberkuhn
What is the name of the short section of the stomach that connects the antrum to the initial segment of the small intestine?
Pylorus
What marks the sharp transition from the glandular mucosa of the stomach to the villous mucosa of the duodenum?
Pyloric sphincter
What is the primary function of the duodenum in the digestive process?
To neutralize gastric acid and pepsin
What is unique to the duodenum?
Coiled branched tubular Brunner's glands
What is the characteristic of the mucosa in the small intestine?
Villous mucosa
What is characteristic of the ileum?
Short villi and abundant Peyer's patches
What is the characteristic feature of the recto-anal junction?
Transition from columnar to stratified squamous epithelium
What type of epithelium is present in the esophagus?
Stratified squamous epithelium
What is the function of the main blood vessels and ducts in the liver?
To transport blood and bile to and from the liver
What is the name of the framework that contains the bile ducts and blood vessels in the liver?
Portal tracts
What type of epithelium is present in the anus?
Stratified squamous epithelium
What is the function of the sinusoids in the liver?
To allow blood flow through the liver
What type of cells line the sinusoids in the liver?
Cells of the macrophage system
What is the shape of the hepatic lobule?
Hexagonal
What is the purpose of the portal tract?
To distribute oxygen and nutrients to the liver cells
What is the location of the bile ductules in the portal tract?
At the periphery of the tract
What is the central structure of the hepatic lobule?
Terminal hepatic venule
What is the direction of blood flow in the hepatic lobule?
From the portal tract to the central vein
This quiz covers the histological features of the gall bladder, pancreas, and the various parts of the digestive tract, including the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
