(n)one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity, Syn.ethmoid bone

ethmoidal artery

(n)a branch of the ophthalmic artery supplying structures in and around the nasal capsule, Syn.arteria ethmoidalis

ethmoidal vein

(n)veins that drain the ethmoidal sinuses and empty into the superior ophthalmic vein, Syn.vena ethmoidalis

ethmoid sinus

(n)a sinus of the meatuses of the nasal cavity (behind the bridge of the nose), Syn.sinus ethmoidales, ethmoidal sinus

The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)

Aliethmoidal

{ } a. [ L. ala wing + E. ethomoid. ] (Anat.) Pertaining to expansions of the ethmoid bone or cartilage. [ 1913 Webster ]

Ectethmoid

a. [ Ect- + ethmoid. ] (Anat.) External to the ethmoid; prefrontal. [ 1913 Webster ]

Ethmoid

pos>n. (Anat.) The ethmoid bone. [ 1913 Webster ]

Ethmoidal

{ } a. [ Gr. &unr_; like a sieve; &unr_; sieve + &unr_; from: cf. F. ethmoïde, ethmoïdal. ] (Anat.) (a) Like a sieve; cribriform. (b) Pertaining to, or in the region of, the ethmoid bone. [ 1913 Webster ]

Ethmoid bone (Anat.), a bone of complicated structure through which the olfactory nerves pass out of the cranium and over which they are largely distributed. [ 1913 Webster ]

Mesethmoid

a. [ Mes- + ethmoid. ] (Anat.) Of or pertaining to the middle of the ethmoid region or ethmoid bone. -- n. (Anat.) The median vertical plate, or median element, of the ethmoid bone. [ 1913 Webster ]

Parethmoid

a. [ Pref. para- + ethmoid. ] (Anat.) Near or beside the ethmoid bone or cartilage; -- applied especially to a pair of bones in the nasal region of some fishes, and to the ethmoturbinals in some higher animals. -- n. A parethmoid bone. [ 1913 Webster ]

Sphenethmoid

a. [ Sphenoid + ethmoid. ] (Anat.) Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal. [ 1913 Webster ]

Sphenethmoid bone (Anat.), a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone. [ 1913 Webster ]

Sphenethmoid

n. (Anat.) The sphenethmoid bone. [ 1913 Webster ]

Sphenethmoidal

a. (Anat.) Relating to the sphenoethmoid bone; sphenoethmoid. [ 1913 Webster ]

Sphenoethmoidal

a. (Anat.) Sphenethmoid. [ 1913 Webster ]

Supra-ethmoid

a. (Anat.) Above, or on the dorsal side of, the ethmoid bone or cartilage. [ 1913 Webster ]

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