Q:

What is Stensen's duct?

A:

Quick Answer

Stensen's duct is the major duct of the primary salivary gland. It opens near the rear of the mouth cavity near the second upper molar. It is also called the parotid duct, as it drains from the parotid gland.

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Full Answer

The average Stensen's duct is approximately 2 inches long and 1/8 inch wide. Salivary duct stones may cause blockages, leading to parotitis, which is the inflammation of the parotid gland. This can also occur when there is external pressure. Stensen's duct is named after Danish anatomist Nicolas Steno, who is credited for creating a detailed description of the structure in 1660.

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