LUMBOCOSTO-ABDOMINAL TRIANGLE

\lˌʌmbəkˈɒstə͡ʊabdˈɒmɪnə͡l tɹˈa͡ɪaŋɡə͡l], \lˌʌmbəkˈɒstə‍ʊabdˈɒmɪnə‍l tɹˈa‍ɪaŋɡə‍l], \l_ˌʌ_m_b_ə_k_ˈɒ_s_t_əʊ_a_b_d_ˈɒ_m_ɪ_n_əl t_ɹ_ˈaɪ__a_ŋ_ɡ_əl]\
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1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe