1 — Mucosa; Mucous membrane;
2 — Tonsillar pits; 3 — Tonsillar crypts; 4 — Lymphoid nodules;
5 — Diffuse lymphoid tissue
1 — Mucosa; Mucous membrane;
2 — Tonsillar pits; 3 — Tonsillar crypts; 4 — Lymphoid nodules;
5 — Diffuse lymphoid tissue