Parotid duct

Parotid Duct

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

Etymology

The term "Parotid Duct" is derived from the Greek words "para" (beside) and "otis" (ear), referring to its location near the ear. The alternative name, "Stensen's Duct", is named after Niels Stensen, a prominent anatomist from Denmark.

Anatomy

The Parotid Duct begins in the parotid gland, one of the major salivary glands located in front and beneath the ear. It is approximately 5 cm long and its diameter varies from 1 to 3 mm. The duct travels across the masseter muscle, pierces the buccinator muscle, and opens into the oral cavity at the level of the upper second molar.

Function

The primary function of the Parotid Duct is to transport saliva from the parotid gland to the mouth. This saliva plays a crucial role in the initial stages of digestion, helping to moisten food and begin the breakdown of carbohydrates.

Clinical Significance

Blockage or infection of the Parotid Duct can lead to parotitis, a painful inflammation of the parotid gland. This can be caused by a variety of factors, including dehydration, poor oral hygiene, or the presence of a stone in the duct. Treatment typically involves antibiotics, hydration, and in some cases, surgical intervention.

Related Terms

• Parotid gland
• Salivary gland
• Parotitis
• Sialolithiasis

See Also

• Salivary gland diseases
• Sialadenitis

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