DIGESTIVE

ESOPHAGUS

Stratified squamous epithelium

• Submucosa

• The muscularis externa

• Esophageal glands.

A B

E

D

C

A

B

A

B C

D

E

STOMACH

A

B

CD

A: Simple columnar epithelium.

B: Gastric gland

C: Submucosa

D:Muscularis externa

A

B C D

A

B

C

A

B

C

SMALL INTESTINE (DUODENUM)

A

B

C

D

E

A: Simple columnar with a striated border

B: Mucosa or lamina propria

C: Submucosa with Brunner’s glands.

D: Inner circular of muscularis externa.

E: Outer longitudinal of muscularis externa.

B

C

A

DE

A

B

C

SMALL INTESTINE (JEJUNUM)

A

B

C

D

A: Epithelium is simple columnar with striated border

B: Mucosa

C: Submucosa

D: Muscularis externa

A

B

C

D

SMALL INTESTINE (ILEUM)

A

B

C

D

A: Simple columnar with striated border

B: Mucosa.

C: Submucosa

D: Muscularis externa

AUERBACH’S PLEXUS

A

B

C

A: Outer longitudinal layer of muscualris externa.

B: Auerbach’s nerve plexes

C: Inner Circular of muscularis externa.

MEISSNER’S PLEXUS

LP: Lamina Propria.

MM: Muscularis mucosa

SM: Submucosa.

PG: Meissner’s plexes

LARGE INTESTINE

A

B

C

D

E

A: Simple columnar epithelium.

B: Goblet cellsC: Mucosa.

D: Muscularis mucosa.

E: Submucosa

LIVER

A

B

C

D

E

9

A: Hepatic triad

B: Hepatic lobule

C: Gallbladder

D: Hepatic sinusoids

E: Von Kupffer cells

A

B

C

PANCREAS

AB

B

A: Pancreatic acini

B: Islets of Langerhans are endocrine structures.