C:Perichondrium lines the outside of the cartilage portion and is named DCCTRA histologically
D: Periosteum surrounds the portion that is bone and is also named DCCTRA.
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Endochondral 20X
A: Zone of reserve cartilage is typical hyaline cartilage with chondrocytes surrounded by matrix
B:Zone of proliferation has clusters of cells that are dividing and increasing in size
C:Zone of maturation occurs when the cells stop dividing and start to increase in size
D:Zone of hypertrophy is when the chondrocytes become greatly enlarged and stack in columns
E: Zone of calcification occurs as the cells become calcified
F: Zone of degeneration and the osteogenic zone are characterized by degeration of chodrocytes and differentiation of osteogenic cells in to osteoblasts (Wheaters)
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Endochondral 40X
A:Zone of reserve
B:Zone of proliferation
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Endochondral 40X-2
A:Zone of maturation; where the cells are starting to enlargen
B: Zone of hypertrophy; where the cells are very large and vacuous
C:Zone of calcification. The cartilage matrix ends and bone begins
D:Zone of degenration and osteogenic layer
Bone
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Bone 10X
A: Osteon is the functional unit of bone and is arranged in a circle with a central or haversian canal at the center
B: Haversian canal
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Bone 20X
A:Haversian canals at the center of the osteons
B:Concentric lamellae surrounds the haversian canal in the osteon.
C: Interstitial lamellae is located between the osteons and is arranged in a more linear fashion
D: Osteocytes are located inside small openings or lakes called lacunae
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Bone 40X
A:Haversian canal
B: Bone canaliculi allow for communication between cells
C: Osteocytes in lacunae
Developing Tooth
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Tooth 4X
A: Dental pulp of the forming tooth
B: Bone of the mandible
C:Stratified squamous epithelium of the mouth
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Tooth 20X
A:Dental pulp
B:Odontoblasts are simple columnar epithelial cells that produce dentine
C: Pre-dentin
D: Dentin
E: Enamel that has been secreted by the ameloblasts. Enamel is the hardest substance in the body
F:Ameloblasts are simple columnar epithelialcells that secrete enamel