Lymphatic Systems The Thymus Low mag of the thymus Cortex (C) Medulla (M) High mag of the medulla of the thymus
Dark nuclei = T-cells Larger nuclei = endothelial reticular cells Arrow = Hassells Corpuscle Lymphatic Systems Lymph Nodes Diagram of a lymph node Cx = cortex w/ lymphatic nodules (F); M = medulla; C = CT capsule
Low mag of a lymph node Cx = cortex w/ lymphatic nodules (F); M = medulla; C = CT capsule A lymphatic nodule with germinal center (GC) Non-encapsulated Lymphatic Nodules
Lymphatic Systems Non-encapsulated Lymphatic Nodules Peyers Patches = lymphatic nodules in the ileum Low mag of a palatine or lingual tonsil Palatine Tonsil w/ SS non-K (arrow)
Pharyngeal Tonsil w/ Resp epith (arrow = nodule) Lymphatic Systems The Spleen Diagram of the Spleen Low magnification of the Spleen
CT Trabeculae White pulp (lymphatic nodules) Thick CT capsule CT Trabeculae Red Pulp White pulp Red Pulp Lymphatic nodules CT Trabeculae Circulatory System in the Spleen Red Pulp White Pulp White Pulp Red Pulp High mag of the splenic red pulp SEM of the endothelial cells of the sinusoids