Layers of the Alimentary Canal, Esophagus & Stomach

Identify the regions of the stomach in the image provided. Also label the two organs on either side of the stomach.

c

d

e

f

b

a

fundus

body

esophagus

cardia

pylorus

small intestine

Label the layers of the Alimentary Canal.

b

c

d

a

e

serosa

muscularis

submucosa

mucosa

lumen

Reorder the following structures of the Alimentary Canal as food would pass through them.

• pharynx

• cardiac sphincter

• stomach

• pyloric sphincter

• esophagus

The wrinkles of the mucosa lining inside the stomach are called:

(a)  

The special gate-like connection between the esophagus and the stomach is called the ______ sphincter.

(a)  

The special gate-like connection between the stomach and the small intestine is called the :

(a)  

The muscular contractions of the Alimentary Canal that help move our food along the tube are called:

(a)  

Which stomach curvature is medial?

• greater curvature

• lesser curvature

The spleen hugs which stomach curvature?

• greater curvature

• lesser curvature

Reorder the following terms related to the layers of the Alimentary Canal in order from

SUPERFICIAL (1) TO DEEP (5).

• serosa

• lumen

• submucosa

• muscularis

• mucosa