Uncinate process of ethmoid bone

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Uncinate Process of Ethmoid Bone[edit | edit source]

Uncinate process of ethmoid bone (shown in red)

The Uncinate Process of Ethmoid Bone is a significant anatomical structure located in the human skull. It is a part of the ethmoid bone, which is one of the bones that make up the skull. The uncinate process is a thin, curved projection that extends from the ethmoid bone towards the maxilla and the inferior nasal concha.

Anatomy[edit | edit source]

The uncinate process is a hook-shaped structure that is found on the lateral surface of the ethmoid bone. It forms the anterior and medial boundaries of the ethmoidal infundibulum, a funnel-shaped opening that connects the frontal sinus and the anterior ethmoidal cells to the nasal cavity.

Function[edit | edit source]

The primary function of the uncinate process is to assist in the drainage of mucus from the sinuses into the nasal cavity. It also plays a role in the circulation of air within the nasal cavity and the sinuses.

Clinical Significance[edit | edit source]

Abnormalities or damage to the uncinate process can lead to various medical conditions. For instance, an enlarged or deviated uncinate process can obstruct the ethmoidal infundibulum, leading to sinusitis. In addition, the uncinate process is often involved in endoscopic sinus surgery, as its removal can improve sinus drainage.

See Also[edit | edit source]

References[edit | edit source]

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