bn:00036651n
Noun Concept
Categories: Wikipedia articles incorporating text from the 20th edition of Gray's Anatomy (1918), Otorhinolaryngology, Bones of the head and neck
EN
frontal sinus  frontal sinusitis  Frontal air-sinus  frontal air sinus  frontal air sinuses
EN
One of a pair of cavities in the frontal bone WordNet 3.0
Definitions
Relations
Sources
EN
The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Wikipedia
Superior to the eyes, in the frontal bone, which forms the hard part of the forehead Wikipedia Disambiguation
One of the four pairs of paranasal sinuses that are situated behind the brow ridges Wikidata
A paranasal sinus situated behind the superciliary arches. Wiktionary
WordNet 3.0 & Open English WordNet
Wikipedia
Wiktionary
Wikidata Alias