34 骨單位（osteon）的組成不包括下列何者？
哈氏管（Haversian canal） 同心圍繞的骨板（concentric lamella）
骨細胞及小管 間質骨板（interstitial lamella）
ANS D
Between adjoining osteons there are angular intervals that are occupied by interstitial lamellae.These lamellae are remnants of osteons the greater parts of which have been destroyed.
1 comment:
Osteoclasts do not live in lacunae. Osteocytes do.
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