lamelles concentriques
/lamˈɛl kɔ̃sɑ̃tʁˈik/
n
English: concentric lamellae · 同心性骨板
Sens：Bony layers of osteon made of collagen fibers; they are arranged concentrically around the Haversian canal and form as the bones grow.
English: concentric lamellae · 同心性骨板