| sphenoethmoidal | <anatomy> Sphenethmoid. Source: Websters Dictionary (01 Mar 1998) |
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| sphenoethmoidal recess | A small cleftlike pocket of the nasal cavity above the superior concha into which the sphenoid sinuses drain. Synonym: recessus sphenoethmoidalis. (05 Mar 2000) |
| sphenoethmoidal suture | Line of union between the crest of the sphenoid bone and the perpendicular and cribriform plates of the ethmoid. Synonym: sutura sphenoethmoidalis. (05 Mar 2000) |
| sphenoethmoidal synchondrosis | Cartilaginous union between the body of the sphenoid and the posterior part of the ethmoidal labyrinth. Synonym: synchondrosis sphenoethmoidalis. (05 Mar 2000) |