Usually it is sinus pressure. Another cause could be as simple as a cut in your nose or something stuck in your sinus or nasal cavity.
paranasal sinus include frontal sinus, the maxillary sinus, the ethmodial sinuses, and the spheniodal sinus.
The maxillary sinus
paranasal sinus include frontal sinus, the maxillary sinus, the ethmodial sinuses, and the spheniodal sinus.
In health, be sure you are talking about the correct "sinus" The heart has a sinus, so please be specific about which sinus you are referring to.
sinus infection
The maxillary sinus
The plural of sinus is sinuses.
Thrombosis: Blood clot Sinus: A sack/avity in an organ or tissue deep sinus thrombosis: a deep bloodclot in a sinus...
somebody answer this question fast!!
no
Sphenoidal sinus