Basihyal


Also found in: Medical.

Ba`si`hy´al


a.1.(Anat.) Noting two small bones, forming the body of the inverted hyoid arch.
References in periodicals archive ?
Basihyal subtriangular, width about 65% length; basihyal cartilage about 10% basihyal length.
Basihyal subtriangular, width about 55 % length; basihyal cartilage about 10 % basihyal length.
Bollmannia and Antilligobius also both possess scales on the cheek and a spatulate basihyal.
9): branchiostegals 5, first branchiostegal small, thin, and attached to ventral surface of narrow portion of ceratohyal, following three branchiostegals blade-like in appearance and attached at ventrolateral surface of broad portion of ceratohyal; posteriormost branchiostegal broadest, articulating with ventral surface of epihyal; basihyal broad, spatulate, slightly emarginate, with only posterior third ossified (Fig.
Hyobranchial apparatus: Comprising median unpaired glossohyal, basihyal, three basibranchials and urohyal; and bilaterally paired dorsal and ventral hypohyals, anterior and posterior ceratohyals, interhyal, six branchiostegal rays, three hypobranchials, five ceratobranchials, four epibranchials and three pharyngobranchials (Fig.
Villiform teeth in band on premaxilla and dentary; 2-3 (1-2) rows on vomer; 2-3 rows on palatine; none on ectopterygoid, endopterygoid or basihyal.
The interhyal and epihyal begin ossifying at 17 DPH followed by the ceratohyal and basihyal at 23 DPH.