HYOIDEAL; HYOIDEAN
Hy*oid"e*al, Hy*oid"e*an, a.
Defn: Same as Hyoid, a.
HYOMANDIBULAR
Hy`o*man*dib"u*lar, a. Etym: [Hyo- + mandibular.] (Anat.)
Defn: Pertaining both to the hyoidean arch and the mandible or lower jaw; as, the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes. — n.
Defn: The hyomandibular bone or cartilage.
HYOMENTAL
Hy`o*men"tal, a. Etym: [Hyo- + mental of the chin.] (Anat.)
Defn: Between the hyoid bone and the lower jaw, pertaining to them; suprahyoid; submaxillary; as, the hyomental region of the front of the neck.
HYOPASTRON
Hy`o*pas"tron, n. Etym: [Hyo- + plastron.] (Zoöl.)
Defn: The second lateral plate in the plastron of turtles; — called also hyosternum.
HYOSCINE
Hy*os"cine, n. Etym: [See Hyoscyamus.] (Chem.)