%ethmoi%

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

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

{ } 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 ]

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 ]

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 ]

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 ]

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

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

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