General Anatomy · Multiple Systems · Easy

Sinus

Meaning: An air-filled cavity within the bones of the skull, or a channel or recess carrying blood or fluid.

In practice: His facial pain and blocked nose were due to infection in the maxillary sinus.

Quick check

Two questions on related general anatomy words.

Which word means: The moist inner lining of hollow organs such as the gut, airways and bladder.

Which word means: The clear liquid part of blood after clotting.

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