ethmoid sinus

ethmoid sinus
Any of several paranasal sinuses enclosed within the ethmoid bone.

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  • ethmoid sinus — also ethmoidal sinus n either of two sinuses each of which is situated in a lateral part of the ethmoid bone alongside the nose and consists of ethmoidal air cells …   Medical dictionary

  • Ethmoid sinus — Bone: Ethmoid sinus Paranasal sinuses …   Wikipedia

  • ethmoid sinus — noun a sinus of the meatuses of the nasal cavity (behind the bridge of the nose) • Syn: ↑ethmoidal sinus, ↑sinus ethmoidales • Hypernyms: ↑sinus …   Useful english dictionary

  • stage 0 nasal cavity and ethmoid sinus carcinoma in situ — Abnormal cells are found in the innermost lining of the nasal cavity or ethmoid sinus. These abnormal cells may become cancer and spread into nearby normal tissue …   English dictionary of cancer terms

  • 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

  • Ethmoid bone — Bone: Ethmoid bone Cranial bones …   Wikipedia

  • Sinus ostium — A sinus ostium (plural: sinus ostia) is the opening that connects a sinus to the nasal cavity itself. It is a tight area that tends to have a higher percentage of cilia than the surrounding mucosa. If the sinus ostium is blocked this will cause… …   Wikipedia

  • ethmoid ostium — ethmoidal ostium, ostium of ethmoidal sinus, ostium of ethmoid sinus any of various small openings connecting an ethmoidal sinus or air cell to the nasal cavity …   Medical dictionary

  • sinus ethmoidales — noun a sinus of the meatuses of the nasal cavity (behind the bridge of the nose) • Syn: ↑ethmoid sinus, ↑ethmoidal sinus • Hypernyms: ↑sinus …   Useful english dictionary

  • ethmoid sinusitis — inflammation of an ethmoid sinus; called also ethmoiditis …   Medical dictionary

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