ceratium (serashium)

[NL., IMG:content-0052.png:[blocks in formation] cerato-. [NL., etc., also by contr. cera-, cerao-, cero (and irreg. ceras-, ceri-, ce Ceratium tripos, greatly magnified. rio-), in some words also or more commonly with initial k, kerato-, etc., before a vowel cerat-, cer-, kerat-, The spongoblasts of Schultze, which should, we think, be styled keratoblasts . Hyatt , Proc. Bost. Soc. Nat. Hist., 1884, p. 83. Ceratobranchia (ser"a-to-brang'ki-ä), n. pl. [NL., II. n. 1. In Owen's nomenclature of the parts of a hyoid bone, that bone which, in vertebrates below mammals, is borne upon the end of the hypo branchial, and, in a bird for instance, forms the terminal portion of the greater cornu of the hyoid, the hypo branchial and ceratobranchial together forming the so-called thyrohyal, which curves up behind the skull. In fishes it contains on its convex margin most of the gill-filaments, and on the concave one most of the rakers. Now called 2. In later nomenclature, same as the apohyal of some authors and the hypo branchial of Owen. ceratobranchiate (ser"a-to-brang'ki-āt), a . [ Ceratobranchia + -atel.] Of or pertaining epibranchial. to the Ceratobranchia.