slide 155, pharynx, h&e, 4x obj. mucosal epithelium laminapropria elastic fibers skeletal muscle...
Post on 21-Dec-2015
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Slide 155, pharynx, H&E, 4x obj.Slide 155, pharynx, H&E, 4x obj.
mucosal epitheliummucosal epithelium
laminalaminapropriapropria
elastic fiberselastic fibers
skeletal muscleskeletal muscle
muscularis externamuscularis externa
mucosal epitheliummucosal epithelium
laminalaminapropriapropria
elastic fiberselastic fibers
skeletal muscle of muscularis externaskeletal muscle of muscularis externa
Slide 152, pharynx, H&E, 10x obj.Slide 152, pharynx, H&E, 10x obj.
Slide 152, pharynx, H&E, 4x obj.Slide 152, pharynx, H&E, 4x obj.
mucosal epitheliummucosal epithelium
laminalaminapropriapropria
elastic fiberselastic fibers
skeletal muscleskeletal muscle
muscularis externamuscularis externa
mucous glandsmucous glands
Slide 153, esophagus, H&E, 4x obj.Slide 153, esophagus, H&E, 4x obj.
mucosamucosa
laminalaminapropriapropria
submucosasubmucosa
muscularis externamuscularis externa(smooth muscle)(smooth muscle)
submucosal glandssubmucosal glands
muscularis mucosamuscularis mucosa
mucosal epitheliummucosal epithelium
epithelium of mucosaepithelium of mucosa
laminalaminapropriapropria
submucosasubmucosasubmucosal glandssubmucosal glands
muscularis mucosamuscularis mucosa
muscularis externa (smooth muscle)muscularis externa (smooth muscle)
Slide 153, esophagus, H&E, 10x obj.Slide 153, esophagus, H&E, 10x obj.
Slide 153, esophagus, H&E, 10x obj.Slide 153, esophagus, H&E, 10x obj.
40x obj.40x obj.
muscularis externa muscularis externa (inner circular layer (inner circular layer of smooth muscle)of smooth muscle)
muscularis externa muscularis externa (outer longitudinal layer (outer longitudinal layer
of smooth muscle)of smooth muscle)
myenteric plexusmyenteric plexus
ganglion cells of myenteric plexusganglion cells of myenteric plexus
Slide 155, cardio-esophageal junction Slide 155, cardio-esophageal junction
esophageal regionesophageal region
transition to cardiac regiontransition to cardiac region
fundic regionfundic region
Slide 155, esophageal region, H&E, 20x obj. Slide 155, esophageal region, H&E, 20x obj.
stratified epithelium of mucosastratified epithelium of mucosa
muscularis mucosa
muscularis mucosa
submucosa
submucosa muscularis externamuscularis externa(inner circular layer(inner circular layerOf smooth muscle)Of smooth muscle)
Slide 155, cardiac region, H&E, 20x obj. Slide 155, cardiac region, H&E, 20x obj.
tangential tangential section of section of
esophageal esophageal muscosamuscosa
gas
tric
pit
gas
tric
pit
cardiac glands (mucous)
cardiac glands (mucous)
muscularis mucosa
muscularis mucosa
Slide 155, cardiac region, H&E, 40x obj. Slide 155, cardiac region, H&E, 40x obj.
gastric pitgastric pit
cardiac gland cardiac gland (mucous)(mucous)
exte
nsi
on
of
mu
scu
lari
s m
uco
sa
exte
nsi
on
of
mu
scu
lari
s m
uco
sa
Slide 155, fundic region, H&E, 4x obj. Slide 155, fundic region, H&E, 4x obj.
gastric pitsgastric pits
gastric glandsgastric glands
Gastric glandsGastric glandsSlide 155, 40x obj.Slide 155, 40x obj. Slide 155, 20x obj.Slide 155, 20x obj.
Slide 156, 40x obj.Slide 156, 40x obj. Slide 157, 40x obj.Slide 157, 40x obj.
PCPC
CCCC
PCPC
CCCC
muscularis mucosa
muscularis mucosa
PCPC
CCCC PCPC CCCC
PC = parietal cellsCC = chief cells
muscularis mucosamuscularis mucosa
Slide 156, stomach, H&E, 4x obj. Slide 156, stomach, H&E, 4x obj.
mucosamucosa
muscularis mucosamuscularis mucosa
submucosasubmucosa
muscularis externamuscularis externa
outer longitudinal layerouter longitudinal layer
middle circular layermiddle circular layer
innermost oblique layer
innermost oblique layer
gastric pitsgastric pits
gastric gastric glandsglands
parietal cells parietal cells (mostly)(mostly)
chief cells chief cells (mostly)(mostly)
Slide 160, stomach, PAS, 10x obj.Slide 160, stomach, PAS, 10x obj.(PAS stains mucus purple) (PAS stains mucus purple)
gastric glandsgastric glands
muscularis mucosamuscularis mucosa
submucosasubmucosa
gastric pitsgastric pits
Slide 162, Slide 162, pylorus-duodenum junctionpylorus-duodenum junction
pyloruspylorus
transition to duodenumtransition to duodenum
duodenumduodenum
Slide 162, pylorus, 10x obj.Slide 162, pylorus, 10x obj.
pyloric glands
pyloric glands
gastric pits
gastric pits
muscularis mucosa
muscularis mucosa
submucosa
submucosa
muscularis externa
muscularis externa
Slide 162, pylorus, 40x obj.Slide 162, pylorus, 40x obj.
pyloricpyloricglandgland
(mucous)(mucous)
gastric pit
muscularis m
ucosa
muscularis m
ucosa
Slide 162 Slide 162 transition to duodenum transition to duodenum
4x obj.4x obj.
duodenalduodenalmucosamucosa
pyloricpyloricmucosamucosa
pyloric glands (above muscularis mucosa)
pyloric glands (above muscularis mucosa)
submucosalsubmucosal(Brunner’s)(Brunner’s)
glands --below glands --below muscularis mucosamuscularis mucosa
duodenalduodenalmucosalmucosal
epitheliumepithelium
submucosal (Brunner’s) glandssubmucosal (Brunner’s) glands(mostly below muscularis mucosa (mostly below muscularis mucosa but some portions extend above)but some portions extend above)
muscularis m
ucosa
muscularis m
ucosa
Brunner’s glandsBrunner’s glands
Slide 162, transition to duodenum, 10x obj.Slide 162, transition to duodenum, 10x obj.
Slide 162, duodenum, 4x obj.Slide 162, duodenum, 4x obj.
duodenalduodenalmucosamucosa
muscularis mucosamuscularis mucosa
Brunner’s glandsBrunner’s glands
submucosasubmucosa