â¢ If your cat has peed on the bed, clean the bed properly and make sure that no odor remains. If your kitty can smell the odor of her urine n the bed, chances are thick that she will pee in the same spot again.She will start to treat the bed as her litter box every time. If your cat has peed on the bed, clean the bed properly and make sure that no odor remains. If your kitty can smell the odor of her urine n the bed, chances are thick that she will pee in the same spot again.
paranasal sinus, any one of the air cavities in various bones around the nose, such as the frontal sinus in the frontal bone lying deep to the medial part of the superciliary ridge and the maxillary sinus within the maxilla between the orbit, the nasal cavity, and the upper teeth. See also accessory nasal sinuses.
INTRODUCTION. The paranasal sinuses (âthe sinusesâ) are air-filled cavities located within the bones of the face and around the nasal cavity and eyes. Each sinus is named for the bone in which it is located:Physiology. The pink membranes lining the sinuses make mucus that is cleared out of the sinus cavities and drains into the nasal passage.The right and left nasal passages are separated in the middle by a vertical plate of cartilage and bone called the nasal septum (figures 1 and 2).ach sinus is named for the bone in which it is located: Physiology. The pink membranes lining the sinuses make mucus that is cleared out of the sinus cavities and drains into the nasal passage.