A/P S O Yeong © Department of Anatomy Faculty of Medicine MAHSA University College 2012 Histology Slides

Thymus H&E x100 Hassall Corpuscles Cortex Medulla

Hassall Corpuscles H&E x200 Thymus Medulla Cortex

H&E x400 Thymus - Hassall Corpuscles

Lymph Node Capsule Subcapsular Sinus Cortex Paracortex Medullary cords Medullary sinus Medulla H&E x100 Afferent Lymphatic Vessel

Subcapsular Sinus Endothelial cells Endothelial cell H&E x400

Spleen H&E x100 Capsule White Pulp Central Artery Central Artery - TS PALS Central Artery - LS Red Pulp White Pulp Trabeculae Germinal centre PALS Venous sinus

Spleen Central Artery Red Pulp White Pulp PALS Trabeculae Venous sinus H&E x200 Central Artery Splenic cord

H&E x400 Spleen – Red Pulp Splenic cord Venous Sinus Rod-shaped endothelial cells

Palatine Tonsil Oral Mucosa Lymphoid nodules Tonsillar Crypts H&E x200

Diffused Lymphatic Tissue Lymphoid nodules (Payer’s Patches) Ileum H&E x400 Submucosa Mucosa

Diffused Lymphatic Tissue Intestinal Mucosa H&E x400 Diffused Lymphatic Tissue

Appendix H&E x200 Lymphoid nodules Germinal centre