Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses — Photos de stock

"Bacterial sinusitis, computer illustration. The sinuses are membrane-lined air-filled spaces in the bones of the face. The frontal sinuses are above the eyes. Below these are the many lobed ethmoid sinuses and behind them the sphenoid sinuses" est une image authentique de ScienceRF. Disponible dans les résolutions suivantes : 1600 x 1067px, 2600 x 1733px, 6000 x 4000px. Le prix minimum pour une image est de 49$. La plus haute qualité d'image est 6000 x 4000px, 300 dpi, et coûte 449$.