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Histology Quiz:
The Digestive System
By Andrew W. Parsons
Copyright 2000, All Rights Reserved.
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Histology: four layers:
-1st Layer?
Histology: four layers:
-Mucosa
-Three subparts? Tissue composition?
Histology: four layers:
-Mucosa
-epithelium: stratified squamous or simple columnar
-lamina propria: areolar c.t.
-muscularis mucosa: smooth muscle
-2nd Layer? Tissue composition?
Histology: four layers:
-Mucosa
-epithelium: stratified squamous or simple columnar
-lamina propria: areolar c.t.
-muscularis mucosa: smooth muscle
-Submucosa: dense irregular c.t.
-3rd Layer? Tissue composition?
Histology: four layers:
-Mucosa
-epithelium: stratified squamous or simple columnar
-lamina propria: areolar c.t.
-muscularis mucosa: smooth muscle
-Submucosa: dense irregular c.t.
-Muscularis externa: skeletal muscle (upper esophagus), smooth muscle elsewhere
-Subparts?
Histology: four layers:
-Mucosa
-epithelium: stratified squamous or simple columnar
-lamina propria: areolar c.t.
-muscularis mucosa: smooth muscle
-Submucosa: dense irregular c.t.
-Muscularis externa: skeletal muscle (upper esophagus), smooth muscle elsewhere
(-oblique layer: stomach only)
-circular layer
-longitudinal layer
-4th Layer? Tissue composition?
Histology: four layers:
-Mucosa
-epithelium: stratified squamous or simple columnar
-lamina propria: areolar c.t.
-muscularis mucosa: smooth muscle
-Submucosa: dense irregular c.t.
-Muscularis externa: skeletal muscle (upper esophagus), smooth muscle elsewhere
(-oblique layer: stomach only)
-circular layer
-longitudinal layer
-Serosa or adventitia: simple squamous epith., areolar c.t.
Organ?: 450X
Structure?
Type of Tissue?
The Pancreas: 450X
Islet
Acinous Glands
Organ?: 100X
Layer?
Layer?
Layer?
Layer?
The esophagus: 100X
Mucosa
Submucosa
Muscularis externa
Adventitia
Organ?: 450X
Structure?
Layer?
Layer?
Sub
Layer?
Sub Layer?
Mucosa & submucosa of the colon: 450X
Intestinal Gland
Submucosa
Mucosa
Muscularis
Mucosa
Lamina Propria
Organ?: 450X
Layer?
Sub Layer?
Sub Layer?
Sub Layer?
Layer?
The esophagus: 450X
Mucosa
Epithelium
Lamina propria
Muscularis mucosa
Submucosa
Organ?: 40X
Structure?
The Liver: 40X
Hepatic lobule
Organ? What are these finger-like structures?: 450X
Sub Layer?
Sub Layer?
Villi of small intestine: 450X
Lamina propria
Epithelium
Organ?: 100X
Layer?
Layer?
Layer?
Layer?
The esophagus: 100X
Adventitia
Muscularis externa
Submucosa
Mucosa
Organ: 450X
Layer?
Layer?
Sub Layer?
Sub Layer?
Sub Layer?
The esophagus: 450X
Muscularis externa
Submucosa
Muscularis mucosa
Lamina propria
Epithelium
Organ?: 40X
Layer?:
THREE sublayers inner direction?
middle direction?
outer direction?
Layer?
Layer?
The stomach: 40X
Muscularis externa:
THREE layers inner oblique,
middle circular,
outer longitudinal
Submucosa
Mucosa
Organ? Layer?: 450X
Sub Layer: Type of C.T.?
Sub Layer?: what type
of cells?
Glands are NOT obvious
Mucosa of the stomach: 450X
Lamina propria: areolar c.t.
Epithelium: all goblet cells
Glands are NOT obvious
What is this grouping of structures called?:450X
Vessel?
Vessel?
Structure?
Triad of the Liver: 450X
Hepatic artery
Hepatic portal vein
Bile duct
Organ?: 450X
Layer?
Layer?
Gastric glands are NOT obvious
Layer?
Mucosa & submucosa of the stomach: 450X
Mucosa
Muscularis mucosa
Gastric glands are NOT obvious
Submucosa
Layers?: 450X
Layer?
Layer?
Layer?
Submucosa & muscularis externa of the stomach: 450X
Muscularis mucosa
Submucosa
Muscularis externa
Organ?: 40X
Structure?
Layer?
Layer?
-direction?
-direction?
Type of Tissue?
Layer?
The small intestine: 40X
Villus
Muscularis
externa:
-circular
-longitudinal
Submucosa
Intestinal glands
Mucosa
Layers?: 450X
Type of Tissue?
Sub Layer
Layer?
Layer?
Sub Layer?
Mucosa & submucosa of the small intestine: 450X
Intestinal gland
Lamina propria
Submucosa
Mucosa
Muscularis
mucosa
Layers?: 450X
Layer?
Layer?:
Inner or Outer?
Submucosa & muscularis externa of the small intestine: 450X
Submucosa
Muscularis externa:
inner circular layer
Layers?: 450X
Layer?
Inner or Outer?
Layer?
Inner or Outer?
Muscularis externa of the small intestine: 450X
Muscularis externa:
inner circular layer
Muscularis externa:
outer longitudinal layer
Organ?: 100X
Layer?
Layer ?
Type of Glands?
Layer?
Submucosal or Brunner’s glands of the duodenum: 100X
Mucosa
Submucosa with
submucosal glands
Muscularis externa:
inner circular layer
Organ?: 40X
Layer?
Layer?
Layer?
The colon: 40X
Submucosa
Muscularis externa:
Mucosa
Organ? Layer?: 450X
Type of Tissue?
Sub Layer?
Sub Layer?
Mucosa of the colon: 450X
Intestinal gland: simple columnar epithelium
Epithelium
Lamina propria
Layers?: 450X
Layer?
-Sub Layer:
has these “funny” folds
Layer
Layer?
Sub
Layer?
The colon: 450X
Muscularis externa
-Inner circular layer:
has these “funny” folds
Submucosa
Mucosa
Muscularis
mucosa
Organ? Layer?: 450X
Layer?
-Sub Layer:
has these “funny” folds
Muscularis externa of the colon: 450X
Muscularis externa
-Inner circular layer:
has these “funny” folds
Layers?: 450X
Sub Layer & direction
Layer?
Sub Layer & direction?
Serosa & muscularis externa of the colon: 450X
Muscularis Externa
Outer longitudinal layer
Serosa
Muscularis Externa
Inner circular layer
Organ?: 450X
Vessel?
Cell Names?
Holes?
The Liver: 450X
Central Vein
Hepatocytes
Sinusoids
What is this grouping of structures called?: 450X
Vessel?
Vessel
Structure?
Triad of the Liver: 450X
Hepatic portal vein
Hepatic artery
Bile duct
Organ?: 40X
Structure?
Type of Tissue?
The Pancreas: 40X
Islet
Acinous glands
The End
Presentation & Photographs by
Andrew W. Parsons
Copyright 2000, All Rights Reserved.
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