Anatomy
Lying superior to the digastric muscles, each submandibular gland is divided into superficial and deep lobes, which are separated by the mylohyoid muscle:
- The superficial portion is the smaller portion. The mylohyoid muscle runs under it.
- The deep portion comprises most of the gland.
Secretions are delivered into the Wharton's ducts on the deep portion after which they hook around the posterior edge of the mylohyoid muscle and proceed on the superior surface laterally. The ducts are then crossed by the lingual nerve, and ultimately drain into the sublingual caruncles (caruncula sublingualis) on either side of the lingual frenulum along with the major sublingual duct (Bartholin).
Read more about this topic: Submandibular Gland
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