Module 5: Digestive system: Esophagus

Question 1

What type of epithelium is the esophagus lined with

Answer 1

stratified squamous epithelium

Thick and protective

Question 2

Lamina propria of esophagus contains

Answer 2

lymphoid aggregations

Question 3

Muscularis mucosa in esophagus is

Answer 3

barely visible

Question 4

submucosa in esophagus contains

Answer 4

small mucous glands

Question 5

Top of and middle of esophagus contains

Answer 5

skeletal muscle

allowing for control of swallowing

Question 6

Esophageo-gastric junction

Answer 6

mucosa goes from stratified squamous epi to highly glandular mucosa
Increased tone of muscularis layer at end of esophagus provides physiological sphincter