epihyal


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ep·i·hy·al

(ep'i-hī'ăl),
Above the hyoid arch.

epihyal

(ĕp-ĭ-hī′ăl)
Pert. to the arch of the hyoid.
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References in periodicals archive ?
It is derived from ceretohyal segment Ossified epihyal components continuous with stylohyal components gives the appearance of abnormally long styloid process.
3); one pair of slender uroneurals; three epurals; a free parhypural; three thin supraneurals, generally straight; two supernumerary spines on first dorsal pterygiophore; no procumbent spines (spurs); thin Y-shaped basisphenoid, free from parasphenoid and prootics; neurocranium with frontal tabs similar to Vincentia Castelnau, 1872 (Fraser 1972: pl 31); supramaxilla absent; posttemporal smooth or with 1-3 small serrae on posterior margin; preopercle with 2-3 small, widely spaced serrae near angle, ridge smooth; infraorbitals smooth; infraorbital shelf present on third bone; ring of scleral cartilage, no ossification present; 7 branchiostegals; ceratohyal notched, suture smooth with epihyal; urohyal with short anterior process.
Ceratohyal and epihyal cartilages continually expand until 9 DPH when the hyoid reaches its maximum depth and has the full complement of six branchiostegal rays.