Ethmoid sinus: A collection of air cells within the ethmoid bone, a spongy bone which makes up the front of the floor of the skull and the roof of the nose. From the Greek ethmos, sieve + eidos, resemblance = like a sieve.
What are Ethmoid Sinuses? ... The pain between and around the eyes that accompanies ethmoid sinusitis can be especially difficult to bear for those who wear prescription ...
n. Any of the evaginations of the mucous membrane of the middle and superior meatus of the nasal cavity, subdivided into anterior, middle, and posterior sinuses.
A sinus infection occurs when the nasal passages and the sinuses become inflamed when bacteria or viruses enter. An ethmoid sinus infection occurs between the eyes ...
Although endoscopes were first used by Hirschmann, in 1903,the development of the rigid endoscope by H H Hopkins and its use in maxillary sinus surgery ...
Embryology. At birth Ethmoid sinus consists of anterior and posterior division Fluid filled difficult on radiology Size at birth: 8-12mm AP/1-5mm high/1-3 mm wide