LYR-220, Lyra’s second product candidate, is a long-acting anti-inflammatory therapy in development for CRS patients with and without polyps who have recurrent symptoms despite prior ethmoid sinus ...

This X-ray of a human skull highlights the main nasal cavity (orange) and the sinuses: frontal (pink), ethmoid (yellow), maxillary (green) and sphenoid (purple). Asian apes do not have frontal or ...

There are 4 sets of sinuses ordinarily present in humans, but congenital absence or hypoplasia of one or more sinus cavities is not uncommon. The maxillary and ethmoidal sinuses form during the third ...