2022 · Q15
Suppose, due to an accident, the delicate lining of the mouth and oesophagus of a person is injured. In this case, which one of the following tissues will be affected?
General KnowledgeBiology
- ASmooth muscle
- BCuboidal epithelium
- CSquamous epithelium
- DStriated muscle
Explanation
The mouth and oesophagus are lined by stratified squamous epithelium, a tough protective layer that withstands abrasion from food. Smooth and striated muscle lie beneath this lining, and cuboidal epithelium lines glands and ducts. The injured delicate lining is therefore squamous epithelium.