What are the small spaces in bone matrix where osteocytes reside?
A) osteons
B) lacunae
C) lamellae
D) central canals
B
Explanation:
A) Osteons are the structural units of bone.
C) Each osteon consists of many rings of calcified matrix called lamellae.
D) The central canal is positioned in the center of osteons for the passage of blood vessels and nerves.
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