20. cells of bone (H&E)
22. fetal head I, fetal head II, fetal head III (cartilage) (H&E)
22. fetal head I, fetal head III (intramembranous bone formation) (H&E)
22. fetal head II (bone modeling) (H&E)
23. developing long bone, primary center (H&E)
24. endochondral ossification, secondary center and epiphyseal plate: bone modeling (H&E)
26. bone modeling (H&E)
26. bone remodeling (H&E)
27. compact bone I (H&E)
27. compact bone II (H&E)
26. trabecular, woven & lamellar bone (H&E)
27. compact, woven & lamellar bone (H&E)
28. mineralized bone (HgCl)
29. elastic cartilage, elastic fibers (Verhoeff's stain)
31. articular cartilage (H&E)
32. fibrocartilage (H&E)
33. hyaline cartilage (eosin & toluidine blue)

Know the structure, function, and location of:

articular cartilage 
bone collar 
bone lining cells 
bone modeling  
bone remodeling 
bone, cancellous (trabecular, spongy)  
bone, compact (cortical) 
canaliculi 
cartilage (immature) 
cartilage (mature) 
cementing line 
chondroblast 
chondrocyte 
circumferential lamellae, outer and inner 
elastic cartilage 
endochondral osteogenesis 
epiphyseal plate 
fibrocartilage 
Haversian canal 
Howship's lacunae (subosteoclastic compartment) 
interstitial lamellae 
intramembranous osteogenesis 
lacuna of chondrocyte 
lacuna of osteocyte 
lamellar (secondary, mature) bone 
marrow cavity 
osteoblasts 
osteoclasts 
osteocytes 
osteoid 
osteon 
osteoprogenitor cells 
perichondrium 
periosteal bud of blood vessels 
periosteum, active 
periosteum, mature 
primary center of ossification 
primary spongiosum 
secondary center of ossification 
territorial and interterritorial matrix 
tidemark 
Volkmann's canal 
woven (primary, immature) bone