Answered: What do you mean by head sinuses?

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Biology

What do you mean by head sinuses?

Basic Clinical Laboratory Techniques 6E

6th Edition

ISBN:9781133893943

Author:ESTRIDGE

Publisher:ESTRIDGE

Chapter1: The Clinical Laboratory

Section1.3: Medical Terminology

Problem 3RQ

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Question

What do you mean by head sinuses?

Expert Solution

Step 1

Sinus
Sinuses are a hollow air-filled cavity present inside the skull (forehead, facebone, around nose bridge).
There are four types of sinuses-

Frontal sinus– present near the forehead.
Maxillary sinus- present near cheekbones.
Sphenoid sinus- present behind the eye.
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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