33. diffuse lymphoid tissue (eosin & toluidine blue)
66. tonsil (hematoxylin/toluidine blue-phloxinate)
70. reticular fibers, lymph node (silver stain)
71. lymph node (H&E)
74. thymus (hematoxylin/toluidine blue-phloxinate)
75. involuted thymus (H&E)
76. spleen (Lee's stain)
77. spleen (H&E)
78. splenic reticulum (silver stain)
120. ileum, Peyer's patches (H&E)
124. appendix (H&E)

Know the structure, function, and location of:

afferent lymphatic vessel 
appendix 
BALT and GALT (Bronchus-, Gut- Associated Lymphoid Tissue) 
capsule of lymph node 
capsule 
central artery 
cortex and medulla of lymph node 
cortex and medulla of thymus 
cortical lymphatic nodules 
crypt of tonsil 
efferent lymphatic vessel 
epithelioreticular cells 
germinal center and corona 
Hassall's corpuscles 
high endothelial venule 
hilus (hilum) 
intraepithelial lymphocytes 
intralobular septa 
involuted thymus 
lobes and lobules 
lymph node 
lymphatic nodules (follicles) 
macrophages of thymus 
MALT (Mucosa Associated Lymphoid Tissue) 
marginal zone 
medullary cord 
medullary sinus 
paracortex 
penicillar arteriole 
periarterial lymphatic sheath (PALS) 
peritrabecular sinus 
Peyer's Patches 
radial arterioles 
red pulp 
reticular fiber stroma of lymph node 
reticular fiber stroma of spleen 
reticulated epithelium 
spleen 
splenic capsule 
splenic cord (of Billroth) 
splenic nodule 
splenic sinus 
splenic trabecula 
subcapsular sinus 
thymocytes (immature T-lymphocytes) 
thymus 
tonsil, palatine 
trabecular artery 
trabecular vein 
white pulp