combining form of Gr. κέρας, κερατ- horn, used chiefly to denote relation to a cornu or horn, as of the hyoid bone, or to the cornea; as in Cerato-branchial a. Anat. [Gr. βράγχια gills], epithet of one of the main portions of permanent branchial cartilage in fishes and Amphibia; where there are only two segments the lower is the cerato-branchial. Ceratocele Pathol. [Gr. κήλη tumor, rupture], a hernia of the cornea of the eye. Cerato-glossal a. Anat. [Gr. γλῶσσα tongue], pertaining to the cerato-glossus muscle. Cerato-glossus, ‘that part of the hyoglossus muscle which arises from the cornu of the hyoid bone’ (Syd. Soc. Lex.). Cerato-hyal a. [see HYOID], the part of the hyoid arch in mammals below the styloid process. Cerato-hyoid a., epithet of a bundle of muscular fibers (see quot.). Ceratophyllous a. [Gr. φύλλον leaf], horn-leaved; having simple, linear, subulate leaves. Ceratophyte Zool. [Gr. φυτόν plant; cf. zoophyte], a kind of coral polyp, the internal axis of which has the appearance of wood or horn. Ceratoplasty Med. [Gr. πλάσσειν to form, mold], ‘the artificial restoration of the cornea.’ Ceratostome Bot. [Gr. στόμα mouth], ‘a perithecium with an elongated and firm-walled neck.’ Ceratotome [Gr. -τομος cutting], ‘a knife for dividing the cornea’ (Syd. Soc. Lex.).

1

1849–52.  Todd, Cycl. Anat., IV. 1144/2. Each arch … consists of a short inferior piece … surmounted by a long, curved piece, the cerato-branchial.

2

1880.  Günther, Fishes, 58. The next much longer one, the ceratobranchial.

3

1849–52.  Todd, Cycl. Anat., IV. 1150/2. I would suggest the name of Cerato-glossal for it. Ibid., 1133/1. The cerato-glossus arising from the greater cornua. Ibid., 1144/1. Two long and stout cylindrical pieces, the cerato-hyals.

4

1854.  R. Owen, in Circ. Sc. (c. 1165), II. 52/1. The ceratohyal part of the hæmapophysis.

5

1849–52.  Todd, Cycl. Anat., IV. 1150/2. A ceralo-hyoid passing from the posterior cornua to the uro-hyal.

6