196
UNIT TWO
FIGURE 7.4
Compact bone is composed of osteons cemented together by bone matrix. Drawing is not to scale.
Nerve
Blood
vessels
Osteon
Nerve
Nerve
Canaliculus
Osteocyte
Lacuna
(space)
Blood
vessels
Perforating
canal
Periosteum
Central canal
containing blood
vessels and nerves
Spongy
bone
Compact
bone
Compact
bone
Endosteum
Trabeculae
Pores
Bone matrix
Central
canal
Central canal
Canaliculus
Lacuna
FIGURE 7.5
Scanning electron micrograph of a single osteon in compact bone (575×).
Tissues and Organs: A Text-Atlas of Scanning Electron
Microscopy,
by R. G. Kessel and R. H. Kardon. © 1979 W. H. Freeman and Company.
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