combining form of Gr. ἠθμός sieve, in a few compounds of mod. formation, occurring in anatomy, with general sense ‘pertaining jointly to the ethmoid bone and some other part of the skull,’ e.g., Ethmo-frontal a. [see FRONTAL], pertaining to the ethmoid and frontal bones: as the ethmo-frontal notch. Ethmo-maxillary a. [see MAXILLARY], pertaining to the ethmoid and to the maxillary bones: as ethmo-maxillary suture. Ethmo-nasal a. [see NASAL], pertaining to the ethmoid and to the nasal bones: as ethmo-nasal suture. Ethmo-presphenoidal a. [see PRESPHENOIDAL], of or pertaining to the ethmoid and to the presphenoid bone: as ethmo-presphenoidal suture (Huxley). Ethmo-turbinal (plates) or Ethmo-turbinals [see TURBINAL], the lateral masses of the ethmoid bone, connected horizontally with each other at the upper surface by the cribriform plate. Ethmo-vomerine (plate) (see quot.).
1875. Blake, Zool., 46. The olfactory chamber of the nasal cavity … contains a series of simple, longitudinally placed ethmoturbinals.
1872. Mivart, Elem. Anat., 94. This prolongation forwards … forms a median plate (termed Ethmo-vomerine). Ibid. (1881), Cat, 337. A cartilaginous expansion called the ethmo-vomerine plate.
