Xaismboun special region was created in 1994-06. Change Notice 1 to FIPS PUB 10-4, dated 1998-12-01, lists a division of Laos into 16 provinces, one city, and one special zone. ISO 3166-2 Newsletter Number I-2 was published on 2002-05-21. It showed Xaismboun special region, but called it a province.
THE PARANASAL SINUSES. There are four pairs of paranasal sinuses, the frontal sinuses are located above the eyes, in the forehead bone. The maxillary sinuses (antra of Highmore) are located in the cheekbones, under the eyes. The ethmoid sinuses, also called ethmoid labyrinth are located between the eyes and the nose.here are four pairs of paranasal sinuses, the frontal sinuses are located above the eyes, in the forehead bone. The maxillary sinuses (antra of Highmore) are located in the cheekbones, under the eyes.
You have several sinuses on your face. These are air-filled cavities that help with the drainage of mucous and fluid. Your maxillary sinuses are located on your cheekbones. You have one maxillary sinus for each cheekbone.Your maxillary sinuses start beneath your eyes and extend to just above your teeth on each side of your nose. In some cases, the roots of the upper teeth protrude into the maxillary cavity.ou have several sinuses on your face. These are air-filled cavities that help with the drainage of mucous and fluid. Your maxillary sinuses are located on your cheekbones. You have one maxillary sinus for each cheekbone.