A sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
English: ethmoid sinus, ethmoidal sinus, sinus ethmoidales
ethmoid_sinusEnglish
ethmoid sinus, ethmoidal sinus, sinus ethmoidales
ethmoid sinus, ethmoidal sinus, sinus ethmoidales
English: ethmoid sinus, ethmoidal sinus, sinus ethmoidales