Shaft/long cylindrical position
Diaphysis
Ends of the bone
Epiphyses
Between diaphysis and epiphyses
Metaphyses
Hyaline Cartilage covering epiphysis at joints
Articular Cartilage
Outer membrane covering bone
Periosteum
Hollow space in diaphysis
Medullary Cavity
Collagen fibers anchoring periosteum to bone
Sharpey’s Fibers
Thin membrane lining the medullary cavity: contains bone forming cells
Endosteum
15% and Hydration, nutrients transport
Water
30% and flexibility, tensile strength
Collagen Fibers
55% and Hardness and rigidity
Mineral Salts
Hardening of bone by mineral deposition
Calcification
Small inactive chondrocytes
Resting Cartilage
Chondrocytes = stacked like coins
Proliferating Cartilage
Enlarging chondrocytes
Hypertrophic Cartilage
Dead Chondrocytes
Calcified Cartilage
how many bones do have the adult skeleton
206
Axial skeleton bones
80 bones
appendicular skeleton bones
126
skull num of bones
22
hyoid num bones
3
auditory num bones
3
vertebral num bones
26
thorax sternum num bones
1