| postoral | <anatomy> Situated behind, or posterior to, the mouth. Origin: Pref. Post- + oral. Source: Websters Dictionary (01 Mar 1998) |
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| postoral arches | The series of branchial arch's caudal to the mouth; the first is the mandibular, the second is the hyoid; caudal to the hyoid, the arch's are unnamed, and designated only by their postoral number. (05 Mar 2000) |