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Sinus
01
sinus
an air-filled cavity, especially within the bones of the skull
Exemples
He suffered from inflammation of the maxillary sinus.
Sinus infections often cause pressure and headaches.
02
sinus
a wide blood channel that lacks the lining of a typical blood vessel
Exemples
The surgeon carefully examined the venous sinus during the procedure.
Sinuses in the liver help regulate blood flow.
03
an abnormal channel that drains a pus-filled cavity to the body surface
Exemples
The patient developed a sinus from a dental abscess.
Chronic infection led to a sinus forming under the skin.
