PTERYGOID CANAL

\tˈɜːɹɪɡˌɔ͡ɪd kənˈal], \tˈɜːɹɪɡˌɔ‍ɪd kənˈal], \t_ˈɜː_ɹ_ɪ_ɡ_ˌɔɪ_d k_ə_n_ˈa_l]\
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1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland