Compact bone consists of spindle-shaped units called _______.

Question

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Compact bone is composed of cylindrical-shaped units called osteons or Haversian systems. Each osteon contains layers of bone tissue arranged concentrically around a central canal that houses blood vessels and nerves. The parallel alignment of osteons gives compact bone its strength and resistance to bending or fracturing. Lacunae are small cavities within the bone matrix that house bone cells called osteocytes. Marrow refers to the soft, spongy tissue found inside bones that produces blood cells. Metaphyses are the narrow, flared sections of bone found between the diaphysis (shaft) and epiphysis (ends) of long bones.

Compact Bone Consists of Spindle-Shaped Units Called _______