concentric lamellae
/kənsˈɛntɹɪk ˈleɪməlˌiː/
n
English · concentric lamellae中文 · 同心性骨板Español · laminillas periféricasFrançais · lamelles concentriques
意味：Bony layers of osteon made of collagen fibers; they are arranged concentrically around the Haversian canal and form as the bones grow.