What is the unique feature of the muscularis mucosae in the esophagus?
Show answer and explanation
Correct answer: It is thick and predominantly longitudinal
In the esophagus, the muscularis mucosae is unusually thick, especially near the stomach. Unlike the stomach or intestines, it is composed almost entirely of longitudinal smooth muscle fibers.
Keep practicing
More Digestive Mucosa questions
- Which cell type is responsible for producing the protective 'alkaline mucus' that coats the surface of the stomach?
- Which of the following layers constitutes the innermost component of the digestive mucosa?
- In the esophagus, the mucosal epithelium is specifically classified as:
- What is the primary tissue composition of the lamina propria?
- The muscularis mucosae typically consists of which type of muscle?
- Which cell type in the stomach mucosa is responsible for secreting hydrochloric acid (HCl)?