BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th...

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BIO132 Lab 6: Exercise 38 Digestive System re 38.1 in 8 th , 9 th & 11 th re 38.2 in 10 th edition
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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...

Page 1: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

BIO132 Lab 6: Exercise 38 Digestive System

Figure 38.1 in 8th, 9th & 11th Figure 38.2 in 10th edition

Page 2: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Figure 38.8

Page 3: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Figure 38.3

See Fig. 38.11 in 8th & 9th or Fig. 38.12 in 10th & 11th for teeth specifically

Page 4: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Figure 38.2 in 8th, 9th & 11th Figure 38.1 in 10th edition

Page 5: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th 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

Page 6: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 7: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 8: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 9: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 10: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 11: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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)

Page 12: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Parotid Salivary GlandParotid Salivary Gland

Czura 2005

Salivary duct

Serous cells

Mucus cells

4X Objective(40X)

10X Objective(100X)

40X Objective(400X)

Page 13: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Salivary duct

Serous cells

Mucus cells

4X Objective(40X)

10X Objective(100X)

40X Objective(400X)

Sublingual Salivary GlandSublingual Salivary Gland

Czura 2005

Page 14: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Salivary duct

Serous cells

Mucus cells

4X Objective(40X)

10X Objective(100X)

40X Objective(400X)

Submandibular Submandibular Salivary GlandSalivary Gland

Czura 2005

Page 15: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

4X Objective(40X)

10X Objective(100X)

40X Objective(400X)

Lobule

Central vein

Hepatocyte

Sinusoid

LiverLiver

Czura 2005

Triad

Page 16: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

Liver stained for Kupffer cellsLiver stained for Kupffer cells

Central Vein

Hepatocyte

Kupffer cell

Sinusoid

40X Objective(400X)

Czura 2005

Page 17: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

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

Page 18: BIO132 Lab 6: Exercise 38 Digestive System Figure 38.1 in 8 th, 9 th & 11 th Figure 38.2 in 10 th edition.

4X Objective(40X)

10X Objective(100X)

40X Objective(400X)

PancreasPancreas

Pancreatic islet

Acinar tissue

Pancreatic islet(endocrine cells)

Acinar tissue(exocrine cells)

Czura 2005