BIO132 Lab 6: Exercise 38 Digestive System

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BIO132 Lab 6 Exercise 38 Digestive System
Figure 38.1
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Figure 38.8
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Figure 38.3
See Figure 38.11 for teeth specifically
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Figure 38.2
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Lamina propria
Czura 2005
Stratified squamous epithelium
Esophageal glands
Esophagus
Adventitia
Note depending on the region of esophagus
sectioned there may be skeletal muscle present in
the muscularis externa
Lumen
Muscularis mucosae
Muscularis externa
Submucosa
Mucosa
10X Objective (100X)
6
4X Objective (40X)
Gastroesophageal Junction
Lumen
Esophagus
Stomach
10X Objective (100X)
40X Objective (400X)
Cardio-esophageal junction
Stratified squamous epithelium of esophagus
Simple columnar epithelium of stomach
Czura 2005
7
Lumen
4X Objective (40X)
Stomach
Mucosa
Submucosa
Muscularis mucosae
Muscularis externa
10X Objective (100X)
40X Objective (400X)
Gastric pit
Simple columnar epithelium
Lamina propria
Chief cell
Parietal cell
Lamina propria
Gastic gland
Czura 2005
8
Duodenum
Goblet cell
Czura 2005
10X Objective (100X)
Villus
Duodenal glands
Lumen
Crypt
Intestinal glands
Muscularis mucosae
Muscularis externa
Simple columnar epithelium
Lamina propria
Submucosa
Mucosa
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4X Objective (40X)
Czura 2005
10X Objective (100X)
Muscularis mucosae
Villus
Peyers Patch
Crypt
Lamina propria
Lumen
Goblet cell
Simple columnar epithelium
Muscularis externa
Submucosa
Mucosa
40X Objective (400X)
Ileum
10
4X Objective (40X)
Colon
Lumen
Mucosa
Submucosa
Muscularis externa
Serosa
10X Objective (100X)
40X Objective (400X)
Simple columnar epithelium
Crypt
Muscularis mucosae
Lamina propria
Goblet cell
Czura 2005
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Tooth (decalcified)
Peridontal ligament
Cementum
Gingiva
Jaw Bone
Dentin
Enamel
4X Objective (40X)
Pulp cavity
Czura 2005
Root
Crown
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4X Objective (40X)
Parotid Salivary Gland
10X Objective (100X)
40X Objective (400X)
Salivary duct
Mucus cells
Serous cells
Czura 2005
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4X Objective (40X)
Sublingual Salivary Gland
10X Objective (100X)
40X Objective (400X)
Mucus cells
Salivary duct
Serous cells
Czura 2005
14
4X Objective (40X)
Submandibular Salivary Gland
10X Objective (100X)
40X Objective (400X)
Salivary duct
Mucus cells
Serous cells
Czura 2005
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4X Objective (40X)
Liver
Central vein
Triad
Lobule
10X Objective (100X)
40X Objective (400X)
Hepatocyte
Sinusoid
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Liver stained for Kupffer cells
40X Objective (400X)
Central Vein
Hepatocyte
Kupffer cell
Sinusoid
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4X Objective (40X)
Cirrhosis of the Liver
Two pathological conditions are visible in this
specimen Fatty deposits (white holes) which
destroy/replace hepatocytes, and a chronic
inflammation as evidenced by dense collection of
lymphocytes (purple clustered nuclei are visible)
10X Objective (100X)
40X Objective (400X)
Fatty deposits
Lymphocytes
Czura 2005
18
4X Objective (40X)
Pancreas
10X Objective (100X)
40X Objective (400X)
Pancreatic islet (endocrine cells)
Pancreatic islet
Acinar tissue
Acinar tissue (exocrine cells)
Czura 2005