Stensen's duct

Stensen's duct, also known as the parotid duct, is a significant structure in the human anatomy that plays a crucial role in the digestive system. It is named after the Danish anatomist Niels Stensen who first described it in detail.

Anatomy

The Stensen's duct is the primary duct of the parotid gland, the largest of the salivary glands. It originates from the anterior edge of the gland, passing forward across the masseter muscle to pierce the buccinator muscle and open into the oral cavity at the level of the upper second molar tooth.

Function

The primary function of Stensen's duct is to transport saliva from the parotid gland into the mouth. This saliva plays a vital role in the initial stages of digestion, helping to moisten food and begin the breakdown of carbohydrates.

Clinical significance

Blockage or infection of the Stensen's duct can lead to a condition known as parotitis, or inflammation of the parotid gland. This can cause symptoms such as pain, swelling, and difficulty swallowing. Treatment typically involves antibiotics, warm compresses, and ensuring adequate hydration.

See also

• Salivary gland
• Parotid gland
• Parotitis
• Niels Stensen

References

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