Sublingual Gland
Sublingual gland is one of the major salivary glands. It is the smallest and the only salivary gland that is not encapsulated. It produces small amounts of saliva constituting around 10% of the total volume.
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Sublingual Gland
They are found on the floor of the mouth (under the tongue), in front of the submandibular gland. The gland can be easily palpated on the floor of the mouth, a little behind each canine (a tooth) on the lower jaw. They are drained by the salivary ducts which are 8-20 in number, known as the ducts of Rivinus. The largest of these ducts then join the submandibular duct to drain in the sublingual caruncle (a small papilla on either side of frenulum of tongue). The remaining small ducts open separately near the tongue frenulum. This gland gets its blood supply from the sublingual and submental arteries. The nerve supply to this gland causes secretion of saliva when stimulated. It is innervated by the chorda tympani nerve. Chorda tympani nerve comes from the facial nerve with its connection with the submandibular ganglion. They drain into the submandibular group of lymph nodes. The most common pathological abnormality associated with sublingual salivary gland is called “ranula.” In this condition there is painful swelling in the floor of the mouth, involving this gland and its ducts.
LOCATION AND FEATURES
BLOOD SUPPLY
NERVE SUPPLY
LYMPHATIC DRAINAGE
ASSOCIATED DISEASE
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