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.
The posterior ethmoidal sinuses open out at the level of the superior meatus. The only structure not to empty out onto the lateral walls of the nasal cavity is the sphenoid sinus. It drains onto the posterior roof. In addition to the paranasal sinuses, other structures open into the nasal cavity. The nasolacrimal duct acts to drain tears from the eye â it opens into the inferior meatus. The auditory (or eustachian) tube opens into the nasopharynx at the level of the inferior meatus.