GENERAL HISTOLOGY

BONE

STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Weight-bearing, column-like matrix tubes composed mainly of collagen are
A
canaliculi
B
lamellae
C
lacunae
D
sharpeys
Explanation: 

Detailed explanation-1: -Spongy bone tissue: The spongy bone tissue does not contain osteons. It consists of layers of bone matrix (= lamellae M) arranged in an irregular latticework of thin plates of bone called trabeculae. The spaces within the trabeculae are filled with red bone marrow and blood vessels.

Detailed explanation-2: -Lamellae (singular: lamella) are layers of matrix. There are three types of lamellae. Interstitial, circumferential, and concentric lamellae. GIF from Human Anatomy Atlas 2022 +.

Detailed explanation-3: -Compact Bone The osteon consists of a central canal called the osteonic (haversian) canal, which is surrounded by concentric rings (lamellae) of matrix.

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