Essentials of Anatomy and Physiology

107

Diaphysis

Proximal

epiphysis

Distal

epiphysis

Yellow bone

marrow

Marrow (medullary)

cavity

Periosteum

Compact bone

Spongy bone

Marrow

Canaliculi

Venule

Osteocyte

Fibrous layer

Osteogenic layer

(osteoblasts)

Periosteum

Osteon

(haversian system)

Haversian canal

Concentric rings

of osteocytes

AB

Arteriole

Figure 6–1. Bone tissue. (A) Femur with distal end cut in longitudinal section.

(B) Compact bone showing haversian systems (osteons).

QUESTION:What is the purpose of the blood vessels in bone tissue?