Review Questions from Class Flashcards
Name the surface epithelium of the vermiform appendix.
simple columnar
Nmae the surface epithelium of the colon.
simple columnar
Does the appendix have villi?
no
What layer is found covering the muscularis externa of the transverse colon?
serosa
What are lacteals?
lymphatic capillaries
Where are paneth cells found and what do they do?
bases of crypts
produce lysozyme
Where are Brunner’s Glands found? What do they do and why?
SM of duodenum
secrete alkaline mucus to neutralize chyme
What cells produce CCK and secretin?
DNES cells
Which product inhibits stomach activity?
secretin
Which product stimulates the gallbladder?
CCK
Which product stimulates pancreas to release digestive enzymes?
CCK
Which product stimulates ducts in the pancreas to release bicarbonates?
secretin
Which cell replaces other cells?
regenerative cells
Which cell is a surface absorptive cell?
enterocyte
Which cell promotes humoral immunity?
M cells
Which cells produce lysozymes?
Paneth cells
Which cell produces gastrin?
DNES type G cells
Which cell produces gastric lipase?
chief cells
Which layer of muscle within the muscularis externa is not always present?
oblique muscle layer
Name the surface epithelium of the stomach.
simple columnar
Which stomach cell produces intrinsic factor?
parietal cells
Which stomach cell produces thick visible mucus?
surface mucus
Which stomach cell produces pepsinogen?
chief cells
Which stomach cell produces HCl?
parietal cells
Which stomach cell produces a more soluble, slightly acidic mucus?
neck mucous
Name the surface epithelium of the stomach.
simple columnar
Name the layer covering the stomach (opposite the lumen)?
all serosa
Name the surface epithlium of the esophagus.
Stratified squamous
What type of muscle is found in the muscularis externa’s middle 1/3 of the esophagus?
mixture of smooth and skeletal muscle
Esophageal proper glands are found in which esophageal layer?
SM
Which salivary gland produces a mixed product but is primarily srerous producing?
submandibular
Which salivary gland is 100% serous producing?
parotid
Which salivary gland produces a mixed product, but is primarily mucus producing?
sublingual
Which cells produce dentin?
odontoblasts
Which cells produce enamel?
ameloblasts
Which cell type will persist in adults?
odontoblasts
Enamel is produced by which type of cells?
ameloblasts
Name the area of CT beneath the odontoblasts.
dental papilla
Which cell type will maintain dentin
odontoblasts
What is the surface epithelium of the rectum?
Simple columnar
Which epithelium does the anal canal transition to?
Stratified squamous
Which major portion of the pancreas is the largest?
exocrine-enzyme producing
Which pancreatic cells help to buffer chyme?
centroacinar and cuboid cells in the pancreatic interalated cells
Name the surface epithelium of the gallbladder.
simple columnar
Which major luminal wall layer is significantly absent
submucosa
Does the muscularis externa of the gallbladder have a normal pattern?
no
Why is the space of Disse important?
blood can directly contact the hepatocytes
slows blood flow so cells can interact with blood and its contents
What is the structure of the central vein?
fenestrated thin walled vessel
What is the location of the central vein?
in the middle of the classic lobule
What does the central vein do?
collects blood from the hepatic sinusoids
Which major secretory portion of the pancreas is the largest?
exocrine- enzyme producing
Which pancreatic cells help to buffer chyme?
centroacinar and cuboid cells in the pancreatic intercalated ducts
Bile release is controlled by which DNES cell produced hormone?
CCK
Which type of bile works best within the small intestine?
cystic bile
