CONCENTRIC LAMELLAE

\kənsˈɛntɹɪk lˈe͡ɪmə͡lˌiː], \kənsˈɛntɹɪk lˈe‍ɪmə‍lˌiː], \k_ə_n_s_ˈɛ_n_t_ɹ_ɪ_k l_ˈeɪ_m_əl_ˌiː]\
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1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe