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Frontal sinus
Pronunciation
Definition 1
A type of paranasal sinus (a hollow space in the bones around the nose). There are two, large frontal sinuses in the frontal bone, which forms the lower part of the forehead and reaches over the eye sockets and eyebrows. The frontal sinuses are lined with cells that make mucus to keep the nose from drying out. (NCI Dictionary)
Definition 2
The paired, mucosal lined air spaces located above the orbit and communicating with the nasal passages. (NCI Thesaurus)
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A meningioma that affects the frontal sulcus.
A skeletal deformity characterized by an unusually prominent forehead. Causes include acromegaly, Hurler syndrome, Silver-Russell syndrome, and thalassemia major.
A bone of the skull forming the forehead, root of the nose and the roof of both orbits.
A blood vessel also known as the supratrochlear artery that arises from the ophthalmic artery and ascends on the forehead.
