1 — Mucosa; Mucous membrane; 2 — Submucosa; 3 — Muscular layer; Muscular coat, longitudinal layer; 4 — Muscular layer; Muscular coat, circular layer; 5 — Adventitia
1 — Mucosa; Mucous membrane; 2 — Submucosa; 3 — Muscular layer; Muscular coat, longitudinal layer; 4 — Muscular layer; Muscular coat, circular layer; 5 — Adventitia