Submandibular duct

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Submandibular duct
Dissection, showing salivary glands of right side. (Labeled as "submaxillary duct", but is identified as "submandibular duct" in newer sources.)
Mandibular division of trifacial nerve, seen from the middle line. The small figure is an enlarged view of the otic ganglion. ("Wharton's duct" labeled in lower left.)
Latin Ductus submaxillaris
TA A05.1.02.012
FMA 86266
Anatomical terminology
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The submandibular duct or Wharton duct[1] or submaxillary duct, is one of the salivary excretory ducts. It is about 5 cm. long, and its wall is much thinner than that of the parotid duct. It drains saliva from each bilateral submandibular gland and sublingual gland to the sublingual caruncle at the base of the tongue.[2]


It arises from deep part of submandibular salivary gland . It begins by numerous branches from the superficial surface of the gland, and runs forward between the mylohyoid, hyoglossus, and genioglossus muscles. It then passes between the sublingual gland and the genioglossus and opens by a narrow opening on the summit of a small papilla at the side of the frenulum of the tongue. It lies superior to lingual and hypoglossal nerves.


The submandibular ducts drain saliva from the submandibular glands, and the sublingual glands to the sublingual caruncles at the base of the tongue.[3]


It was initially described by the English anatomist Thomas Wharton and is sometimes referred to by his name.[4]


This article incorporates text in the public domain from page 1135 of the 20th edition of Gray's Anatomy (1918)

  1. ^ Wharton's duct at Who Named It?
  2. ^ Ten Cate's Oral Histology, Nanci, Elsevier, 2013, page 255
  3. ^ Ten Cate's Oral Histology, Nanci, Elsevier, 2013, page 255
  4. ^ Wharton T (1656). Adenographia: sive glandularum totius corporis descriptio. London: Wharton. pp. 128–137.

External links

  • Anatomy figure: 34:03-05 at Human Anatomy Online, SUNY Downstate Medical Center
  • 329
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