Stomach mucosa and muscle layers

This anatomy tutorial by Megan from Kenhub covers the structure and function of the stomach, including its connection to the esophagus and duodenum. The video explores the stomach's anatomy, its internal features, and the muscle layers that facilitate digestion. It also discusses the esophagus-stomach junction and the role of the duodenum in digestion. The tutorial provides a comprehensive overview of the stomach's anatomy without using histological slides or microscopes.

What are the folds on the internal surface of the stomach called?

• Villi

• Rugae

• Cilia

• Papillae

Which part of the stomach is located just beneath the diaphragm and is filled with gas?

• Gastric body

• Fundus

• Pyloric part

• Cardiac part

What is the primary function of the pyloric sphincter?

• To connect the stomach to the esophagus

• To control the flow of food into the small intestine

• To secrete digestive enzymes

• To absorb nutrients

Which layer of the stomach is responsible for churning and breaking down food?

• Circular muscle layer

• Oblique muscle layer

• Submucosa

• Mucosa

What is the role of the gastric canal in the stomach?

• To connect the stomach to the duodenum

• To secrete gastric juices

• To form a channel for food passage

• To absorb nutrients

Which part of the small intestine is directly connected to the stomach?

• Jejunum

• Ileum

• Cecum

• Duodenum

What is the function of the ampulla in the duodenum?

• To store bile

• To secrete hormones

• To facilitate chemical digestion

• To absorb water