Fundamentals of Sectional Anatomy: An Imaging Approach
2nd Edition
ISBN:9781133960867
Author:Denise L. Lazo
Publisher:Denise L. Lazo
Chapter4: Neck
Section: Chapter Questions
Problem 1RQ
Related questions
Question
What do you mean by head sinuses?
Expert Solution
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Step 1
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Sinus
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Sinuses are a hollow air-filled cavity present inside the skull (forehead, facebone, around nose bridge).
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There are four types of sinuses-
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Frontal sinus– present near the forehead.
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Maxillary sinus- present near cheekbones.
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Sphenoid sinus- present behind the eye.
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Ethmoid sinus- present near the bridge of the nose.
Due to allergies and infections, sinuses get swell and secrets more mucus. This builds pressure in the sinuses which results in a severe headache.
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