GENERAL HISTOLOGY

BONE

STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tiny hair-like channels that radiate through the matrix of bone and connects the lacunae to each other and to the central canal is called
A
lamellae
B
Sharpeys
C
canaliculi
D
Haversian
Explanation: 

Detailed explanation-1: -✦ Tiny channels called canaliculi connect the lacunae. Nutrients are supplied to the osteocytes via these channels. Waste products also leave the osteocytes through these channels. ✦ The remnants of previous concentric lamellae can be found between the osteons . These are referred to as interstitial lamellae.

Detailed explanation-2: -Smaller canals, or canaliculi, radiate outward from a central canal, which contains blood vessels and nerve fibers. Osteocytes within an osteon are connected to each other and to the central canal by fine cellular extensions.

Detailed explanation-3: -function in bone vascular system …of the cortex, are called Volkmann canals; Volkmann canals connect adjacent osteons and also connect the blood vessels of the Haversian canals with the periosteum, the tissue covering the bone’s outer surface. …

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