1 — Visceral peritoneum; 2 — Parietal peritoneum; 3 — Oesophageal hiatus; 4 — Muscular layer; Muscular coat, longitudinal layer; 5 — Muscular layer; Muscular coat, circular layer; 6 — Mucosa; Mucous membrane, longitudinal layer; 7 — Parietal pleura, mediastinal part; 8 — Parietal pleura, diaphragmatic part; 9 — Diaphragm; 10 — Fundus of stomach; 11 — Cardia; Cardial part; 12 — Gastric folds; Gastric rugae