U1, L3 Stomach Flashcards
___ runs from the liver to
the lesser curvature.
Lesser omentum
____ drapes inferiorly from the greater
curvature to the small intestine
greater omentum
the epithelial lining of the stomach is composed of ___ epithelium
simple columnar
Goblet cells produce ___.
alkaline mucus
gastric glands secrete what 3 things
gastric juice, mucus, and gastrin.
parietal cells secrete ___ and ___.
HCl and intrinsic factor
what facilitates the digestion of vitamin b12
intrinsic factor
HCl aids in activating __ and killing ___
pepsin; bacteria
Chief cells produce __ and small quantities of ___.
pepsinogen; gastric lipase
pepsinogen is converted into __ by __.
pepsin; HCl
pepsin breaks down __ into ___.
proteins; polypeptides
enteroendocrine cells produce ___ and ___.
gastrin and local hormones (serotonin and histamine)
gastrin increases ___ production.
HCl
Local hormones help ___ and increase __ production.
motility; HCl
___ prevent gastric juices from permeating the mucosa.
tight junctions
The three phases of gastric secretion are __, __ and __.
cephalic phase, digestive phase, and intestinal phase.
___ nerve stimulation at the sight, thought, or smell of food results in an increased production of __.
vagus; gastric juices
protein rich foods and decreased acidity stimulate __ cells to produce ___.
enteroendocrine cells; gastrin
the intestinal phase begins when chyme enters the ____.
duodenal bulb
duodenal wall produces ____. this increases gastric gland activity.
enteric gastrin
when the distal duodenum is stretched, what 3 things occur
inhibition of vagal nucleus, inhibition of enteric gastrin production and pyloric constriction
CCK and secretin ___ gastric secretion.
inhibit
