Ectethmoid

enUK

Ec`teth´moid

(Anat.) External to the ethmoid; prefrontal.

ectethmoid

enUK

ectethmoid

[ek′teth‚mȯid] (anatomy) Either one of the lateral cellular masses of the ethmoid bone.

ectethmoid

enUK

eth·moi·dal lab·y·rinth

[TA] a mass of air cells with thin bony walls forming part of the lateral wall of the nasal cavity; the cells are arranged in three groups, anterior, middle, and posterior, and are closed laterally by the orbital plate which forms part of the wall of the orbit. Synonym(s): labyrinthus ethmoidalis [TA], ectethmoid, ectoethmoid, lateral mass of ethmoid bone

ectethmoid

(ĕk-tĕth′moyd) [″ + ethmos, sieve, + eidos, form, shape] The lateral mass of the ethmoid bone.

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