Stomach

• Stomach is what shape?

  J-shaped
• Stomach is an ENLARGEMENT of what?

  Gastrointestinal tract
• Stomach is inferior to what?

  Diaphragm
• Stomach connects what to what?

  Esophagus to duodenum
• Stomach: serves as MIXING CHAMBER and HOLDING RESERVOIR.
• What are the 4 Main Regions of the stomach?

  cardia, fundus, body, and pyloric part
• Cardia: Surrounds the OPENING of esophagus into stomach.
• Fundus: ROUNDED portions superior to and LEFT of cardia
• Body: Large central portion of stomach inferior to fundus
• Pyloric part consists of what?

  pyloric ANTRUM, pyloric CANAL, and pylorus.
• What are the 5 cells involved in the stomach?

  surface mucous cell, mucous neck cell, parietal cell, chief cell, and G cell
• Surface mucous cell and mucous neck cell: secretes mucus
• parietal cell: secretes HYDROCHLORIC ACID and INTRINSIC FACTOR
• chief cell: secretes PEPSINOGEN and GASTRIC LIPASE
• G cell: secretes the hormone Gastrin.