No, the frontal bone does not contain a sinus. The frontal sinus is located behind the frontal bone, in the frontal part of the skull.
frontal bone
paranasal sinus include frontal sinus, the maxillary sinus, the ethmodial sinuses, and the spheniodal sinus.
airspace of frontal bone
frontal nasal bone
paranasal sinus include frontal sinus, the maxillary sinus, the ethmodial sinuses, and the spheniodal sinus.
Cerebrospinal fluid is not found in the frontal sinus. The frontal sinus is an air-filled cavity within the frontal bone of the skull, while cerebrospinal fluid is a clear fluid that surrounds the brain and spinal cord within the subarachnoid space.
The frontal sinus opens in the superior nasal meatus.
Frontal Sinuses.....
Mild mucosal thickening in the left frontal sinus typically indicates inflammation or swelling of the mucous membrane lining the sinus. This may be a sign of a mild sinus infection, allergies, or other underlying nasal issues. Further evaluation by a healthcare provider may be needed to determine the cause and appropriate treatment.
The maxilla is a facial bone that contains a paranasal sinus called the maxillary sinus. This sinus is one of the largest paranasal sinuses and is located within the body of the maxilla bone.
If you have a headache just about your eyes, it is very likely that it is your sinuses. Sinus pressure can be very painful.