part of part of Homo sapiens mandible bone fossa submandibular fossa of mandible 2026-03-19T00:00:00Z A bone fossa on the medial surface of the mandibular body and ramus, inferior to the mylohyoid line and posterior to the sublingual fossa, in which the superficial part of the submandibular salivary gland is accommodated. David Osumi-Sutherland