Chapter 6- Gastric Histology Flashcards
Gastric histology is based on what THREE regions of the stomach?
cardiac
gastric
pyloric
Which region of the stomach involves PRIMARILY surface mucous, some neck mucous and few DNES and parietal cells. There are NO chief cells here
cardiac region
Which region of the stomach is the SMALLEST and obtains much mucous?
cardiac region
Which region of the stomach includes GASTRIC GLANDS; which extend from the gastric pit to the MM?
gastric region
Name the THREE regions of a gastric gland?
isthmus
neck
base
Which region of the gastric gland contains surface mucous and DNES cells?
isthmus
The function of _______ cells in the isthmus is to protect mucosa from auto-digestion and the rougher components of chyme
a. DNES cells
b. surface mucous cells
surface mucous cells
Which type of DNES cells in the isthmus of the stomach produce somatostatin; which inhibits the release of hormones by nearby DNES cells and HCL release?
a. type D
b. type EC
c. type G
type D
Which type of DNES cells produce serotonin and substance P; which increase gut motility?
a. type D
b. type EC
c. type G
type EC
Which type of DNES cells produces gastrin; which stimulates HCL and pepsinogen secretion, gastric motility and regenerative cells in the body of the stomach/?
a. type D
b. type EC
c. type G
type G
Which cells of the gastric gland produce very strong HCI?
a. neck mucous cells
b. regenerative cells
c. parietal (oxyntic) cells
d. DNES cells
parietal (oxyntic) cells
What is the function of the GASTRIC INTESTINAL FACOTR?
vitamin B12 absorption
CHIEF cells (BASE cells) of the gastric region produce primarily ______ to break down proteins
pepsinogen
Which region of the stomach involves deeper pits and SHORTER glands?
a. cardiac
b. gastric
c. pyloric
pyloric (region)
What is the name of the sphincter located between the pylorus of the stomach and the duodenum?
pyloric sphincter
