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sinus frontalis [TA] one of the paired irregular shaped paranasal sinuses located in the frontal bone deep to the superciliary arch, separated from its fellow of the opposite side by a bony septum; it communicates by way of the nasofrontal duct with the middle meatus of the nasal cavity on the same side.Medical dictionary. 2011.
Frontal sinus — Infobox Anatomy Name = Frontal sinus Latin = sinus frontales GraySubject = 223 GrayPage = 998 Caption = Paranasal sinuses Caption2 = Nose and nasal cavities Precursor = System = Artery = supra orbital, anterior ethmoidal Vein = Nerve =… … Wikipedia
frontal sinus — noun one of a pair of cavities in the frontal bone • Hypernyms: ↑sinus * * * noun : either of two air spaces lined with mucous membrane that lie within the frontal bone above the orbit on each side … Useful english dictionary
frontal sinus — noun A paranasal sinus situated behind the superciliary arches … Wiktionary
frontal sinus — see paranasal sinuses … The new mediacal dictionary
Sinus (anatomy) — Sinus is Latin for bay , pocket , curve , or bosom . In anatomy, the term is used in various contexts. A sinus is a sack or cavity in any organ or tissue, or an abnormal cavity or passage caused by the destruction of tissue. In common usage,… … Wikipedia
frontal ostium — frontal sinus ostium, ostium of frontal sinus apertura sinus frontalis … Medical dictionary
opening of frontal sinus — apertura sinus frontalis … Medical dictionary
sinus — 1. sinus [ sinys ] n. m. • 1539; mot lat. « courbe » → sein ♦ Anat. 1 ♦ Cavité irrégulière (de certains os). Sinus de la face, de certains os de la face (sinus frontal, maxillaire, sinus sphénoïdaux). Spécialt, cour. Inflammation des sinus (de la … Encyclopédie Universelle
Frontal crest — Bone: Frontal crest Frontal bone. Inner surface. (Frontal crest visible at center but not labeled.) Latin crista frontalis Gray s … Wikipedia
Frontal bone — Bone: Frontal bone Frontal bone highlighted in red Latin os frontale Gray s … Wikipedia
