From lower gingiva and alveolar mandibular ridge to insertion of anterior tonsillar pillar into tongue
Medially bounded by inferior surface of the tongue
Sublingual and submandibular glands are in the floor
SMG duct is 5 cm long and courses between sublingual gland and genioglossus and opens in anterior floor of mouth near midline on papillae sublingualis
In midline, genioglossus and geniohyoid separate sublingual glands, which have several openings in addition to Bartholin duct on plica sublingualis.
Genioglossus, geniohyoid, mylohyoid, and anterior belly of digastric form muscular diaphragm of mouth floor
Lingual nerve (from posterior trunk of V3) suppplies sensation
Lingual artery (from ECA) and vein supply
Drain to L-I nodes (submandibular and submental), which lie inferior and lateral to the mylohyoid muscle close to submandibular gland
Differentials for the floor of mouth lesions
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Head and Neck Imaging Notes
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Although I have taken care to make my blog posts as accurately as possible, the blog itself is not replacement for text-books and journals. The blogger does not accept any harm or injury related to the use of the material from this blog. All the images are from my collection and are not copyrighted; hence feel free to use them and I do not want any credit also. The notes are from the quoted journals and text-books, relevant to my practice. If anybody feels I am violating copyright, please let me know. I will delete the relevant data from my blog. I am greatly indebted to the reference book Som PM et al, Head and Neck Imaging. 4th edition. Mosby publications. Unless given the reference, the reference is most likely to this book.
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