Usually means: Air-filled cavity behind nose.
Definitions Related words Mentions
We found 12 dictionaries that define the word sphenoid sinus:

General (4 matching dictionaries)
  1. sphenoid sinus: Wiktionary
  2. sphenoid sinus: Dictionary.com
  3. Sphenoid sinus: Wikipedia, the Free Encyclopedia
  4. Sphenoid sinus: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. sphenoid sinus: Encyclopedia

Medicine (7 matching dictionaries)
  1. sphenoid sinus: Merriam-Webster Medical Dictionary
  2. Dorland's Illustrated Medical Dictionary (No longer online)
  3. Medical Dictionary (No longer online)
  4. Sphenoid sinus: Merck Manuals
  5. online medical dictionary (No longer online)
  6. sphenoid sinus: Dictionary of Cancer Terms
  7. sphenoid sinus: Medical dictionary

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Definitions from Wiktionary (sphenoid sinus)

▸ noun:  (anatomy) A paranasal sinus contained within the body of the sphenoid bone.

Similar:
sphenoidal sinus, sphenoid, sphenotic, paranasal sinus, parasphenoid, ethmoid sinus, presphenoid, sphenethmoid, sinus, sphenopalatine, more...

Opposite:
frontal sinus, maxillary sinus, ethmoid sinus

▸ Words similar to sphenoid sinus

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Similar:
sphenoidal sinus, sphenoid, sphenotic, paranasal sinus, parasphenoid, ethmoid sinus, presphenoid, sphenethmoid, sinus, sphenopalatine, more...

Opposite:
frontal sinus, maxillary sinus, ethmoid sinus



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