BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th...
-
date post
21-Dec-2015 -
Category
Documents
-
view
215 -
download
2
Transcript of BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th...
BIO132 Lab 6: Exercise 38 Digestive System
Figure 38.1 in 8th, 9th & 11th Figure 38.2 in 10th edition
Figure 38.8
Figure 38.3
See Fig. 38.11 in 8th & 9th or Fig. 38.12 in 10th & 11th for teeth specifically
Figure 38.2 in 8th, 9th & 11th Figure 38.1 in 10th edition
10X
Ob
ject
ive
(100
X)
Mucosa
SubmucosaMuscularis
externa
Lumen
Lamina propriaStratified squamous epithelium
Esophageal glands
Adventitia
Muscularis mucosae
Czu
ra 2
005
Note: depending on the region of esophagus sectioned there may be skeletal muscle present in the muscularis externa
EsophagusEsophagus
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Gastroesophageal Gastroesophageal JunctionJunction
Lumen
Stratified squamous
epithelium of esophagus
Simple columnar epithelium of stomach
Cardio-esophageal junction
Esophagus
Stomach
Czura 2005
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
StomachStomach
Chief cell
Parietal cell
Mucosa
Submucosa
Muscularis externa
Lumen
Simple columnar epithelium
Gastric pit
Lamina propria
Muscularis mucosae
Lamina propria
Czura 2005
Gastic gland
DuodenumDuodenum10
X O
bje
ctiv
e(1
00X
)
Mucosa
Submucosa
Muscularis externa
Lumen
Czu
ra 2
005
Lamina propria
Simple columnar epithelium
Duodenal glands
Muscularis mucosae
Villus
Crypt
Goblet cell
Intestinal glands
IleumIleum
Czu
ra 2
005
4X O
bje
ctiv
e(4
0X)
10X
Ob
ject
ive
(100
X)
Peyer’s Patch
Mucosa
Submucosa
Muscularis externa
Lumen
Villus
Muscularis mucosae
40X
Ob
ject
ive
(400
X)
Simple columnar epithelium
Goblet cell
Lamina propria
Crypt
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
ColonColon Mucosa
Submucosa
Muscularis externa
Serosa
Lumen
Crypt
Simple columnar epithelium
Goblet cell
Lamina propriaMuscularis mucosae
Czura 2005
CrownRoot
Enamel
Pulp cavity
Dentin
Gingiva
Jaw Bone
Peridontal ligament Cementum
Czu
ra 2
005
Tooth Tooth (decalcified)(decalcified)
4X O
bje
ctiv
e(4
0X)
Parotid Salivary GlandParotid Salivary Gland
Czura 2005
Salivary duct
Serous cells
Mucus cells
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Salivary duct
Serous cells
Mucus cells
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Sublingual Salivary GlandSublingual Salivary Gland
Czura 2005
Salivary duct
Serous cells
Mucus cells
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Submandibular Submandibular Salivary GlandSalivary Gland
Czura 2005
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Lobule
Central vein
Hepatocyte
Sinusoid
LiverLiver
Czura 2005
Triad
Liver stained for Kupffer cellsLiver stained for Kupffer cells
Central Vein
Hepatocyte
Kupffer cell
Sinusoid
40X Objective(400X)
Czura 2005
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
Cirrhosis of the LiverCirrhosis of the LiverTwo 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)
Lymphocytes
Fatty deposits
Czura 2005
4X Objective(40X)
10X Objective(100X)
40X Objective(400X)
PancreasPancreas
Pancreatic islet
Acinar tissue
Pancreatic islet(endocrine cells)
Acinar tissue(exocrine cells)
Czura 2005