HIST 1 esophagus and stomach Flashcards
Four layers of GI tract?
from lumen to superficial
what differs from region to region?
what does this reflect?
Serosa vs adventitia?
Mucosal layer how many layers?
what are these layers?
details about them?
submucosal layer?
Muscularis externa
how many layers?
what are these layers?
what do each do?
anything else in the layers?
serosa/adventitia
what determines if either is there?
digestive tube innervated by?
parasympathetics
what nerves?
pre or post synaptic?
sympathetics
innervation comes from where?
synapse where?
postsynaptic nerves travel?
what is this?
how many are there?
names?
responsive to?
regulate and control?
preganglionic axons vs postganglionic axons
what is this?
function?
serosa or adventitia?
what helps lubricate the epithelium?
two glands present?
Esophagus
what are the numbered items in the image?
Mucosa
type of epithelium?
a lot of what?
anything differ among the length?
Submucosa
made up of?
Have what feature? problems?
Muscularis
made up of?
upper, middle, lower third
what is this?
what transition?
now should have?
what is this?
two sphincters? their job?
GERD?
what if chronic?
what is this from?
regions of this?
what are they?
motility areas?
gastric folds? covered by? what protects?
Mucosa
epithelium?
glands? where?
fibers?
MM do anything?
Submucosa
tissue type?
whats present here?
Muscularis/muscularis externa
layers? which layer contributes to what?
Serosa?
stomach
what are these?
found where?
extend from?
regions?
location of regions?
what are the blacked out areas?
green star?
stomach
(perhaps beginning and neck of fundic glands)
parts of this fundic gland?
what are each comprised of?
gastric gland
what are blacked out bars?
what are the different colored cells in the illustration?
what do each secrete?
top color?
bottom color?
difference?
has what?
composition?
forms?
how thick does what?
green star particularly
basal region has what?
apical region?
whats stored in these?
released where?
release stimulated by?
green star?
located where?
produce?
three distinctive features?
what cell?
located where?
whats the difference between top vs bottom illustrations?
distribution of GI peptide hormones
produced by what cells?
what spans whole thing?
Ghrelin action?
somatostatin?
Gastrin?
what cells are these?
located where?
continuous with?
lined with?
SImilar to?
Hallmark?
middle black bar?
located where?
lined by?
resemble?
what can be present here?
