The gender is determined by the article, either definite (the in English) or indefinite (a/an in English). 1  Masculine definite article: le [leu]. 2  Feminine definite article: la.3  Masculine indefinite article: un [nasal sound which can be derived from the English sound un as explained in the first lesson].he gender is determined by the article, either definite (the in English) or indefinite (a/an in English). 1  Masculine definite article: le [leu]. 2  Feminine definite article: la.
Frontal sinus. The frontal sinuses are pockets of space located above the orbit of each eye in the frontal bone. They are lined with mucus membrane, which secretes fluid that moistens and protects the areas it covers. The size and shape of the frontal sinus can vary from person to person.These spaces fill up with mucus, which then drain into the nose. The draining process can be hindered by blockages. If mucus accumulates, this can cause infections.hey are lined with mucus membrane, which secretes fluid that moistens and protects the areas it covers. The size and shape of the frontal sinus can vary from person to person. These spaces fill up with mucus, which then drain into the nose.
Common symptoms of acute sinusitis include nasal congestion, thick green nasal discharge, fever, headache, tiredness and facial pain. Some symptoms depend on which sinus is inflamed. For example: Frontal sinusitis (behind the forehead) can cause pain in the forehead and pain that gets worse when lying on your back. Ethmoid sinusitis (behind the bridge of the nose) can cause pain between the eyes, eyelid swelling, loss of smell, and pain when touching the sides of the nose. Sphenoid sinusitis (behind the eyes) can cause earaches, neck pain or headache at the top of the head or deep behind the forehead. Maxillary sinusitis (behind the cheeks) can cause pain in the cheeks, under the eyes, or in the upper teeth and jaw.