Basihyoid :: Basihyoid (n.) The central tongue bone.

Chyometer :: Chyometer (n.) An instrument for measuring liquids. It consists of a piston moving in a tube in which is contained the liquid, the quantity expelled being indicated by the graduation upon the piston rod..

Diphyodont :: Diphyodont (a.) Having two successive sets of teeth (deciduous and permanent), one succeeding the other; as, a diphyodont mammal; diphyodont dentition; -- opposed to monophyodont..

Diphyodont :: Diphyodont (n.) An animal having two successive sets of teeth.

Diphyozooid :: Diphyozooid (n.) One of the free-swimming sexual zooids of Siphonophora.

Geniohyoid :: Geniohyoid (a.) Of or pertaining to the chin and hyoid bone; as, the geniohyoid muscle..

Hyo- :: Hyo- () A prexif used in anatomy, and generally denoting connection with the hyoid bone or arch; as, hyoglossal, hyomandibular, hyomental, etc..

Hyoganoidei :: Hyoganoidei (n. pl.) A division of ganoid fishes, including the gar pikes and bowfins..

Hyoglossal :: Hyoglossal (a.) Pertaining to or connecting the tongue and hyodean arch; as, the hyoglossal membrane..

Hyoglossal :: Hyoglossal (a.) Of or pertaining to the hyoglossus muscle.

Hyoglossus :: Hyoglossus (n.) A flat muscle on either side of the tongue, connecting it with the hyoid bone..

Hyoid :: Hyoid (a.) Having the form of an arch, or of the Greek letter upsilon [/]..

Hyoid :: Hyoid (a.) Of or pertaining to the bony or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself.

Hyoid :: Hyoid (n.) The hyoid bone.

Hyoideal :: Hyoideal (a.) Alt. of Hyoidea.

Hyoidean :: Hyoidean (a.) Same as Hyoid, a..

Hyomandibular :: Hyomandibular (a.) 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..

Hyomandibular :: Hyomandibular (n.) The hyomandibular bone or cartilage.

Hyomental :: Hyomental (a.) Between the hyoid bone and the lower jaw, pertaining to them; suprahyoid; submaxillary; as, the hyomental region of the front of the neck..

Hyopastron :: Hyopastron (n.) The second lateral plate in the plastron of turtles; -- called also hyosternum.

Hyoscine :: Hyoscine (n.) An alkaloid found with hyoscyamine (with which it is also isomeric) in henbane, and extracted as a white, amorphous, semisolid substance..

Hyoscyamine :: Hyoscyamine (n.) An alkaloid found in henbane (Hyoscyamus niger), and regarded as its active principle. It is also found with other alkaloids in the thorn apple and deadly nightshade. It is extracted as a white crystalline substance, with a sharp, offensive taste. Hyoscyamine is isomeric with atropine, is very poisonous, and is used as a medicine for neuralgia, like belladonna. Called also hyoscyamia, duboisine, etc..

Hyoscyamus :: Hyoscyamus (n.) A genus of poisonous plants of the Nightshade family; henbane.

Hyoscyamus :: Hyoscyamus (n.) The leaves of the black henbane (Hyoscyamus niger), used in neuralgic and pectorial troubles..

Hyosternal :: Hyosternal (a.) Between the hyoid bone and the sternum, or pertaining to them; infrahyoid; as, the hyosternal region of the neck..

Hyosternal :: Hyosternal (a.) Pertaining to the hyosternum of turtles.

Hyosternum :: Hyosternum (n.) See Hyoplastron.

Hyostylic :: Hyostylic (a.) Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated with the skull as in mammals; -- said of the skull..

Ichthyocol :: Ichthyocol (n.) Alt. of Ichthyocoll.

Ichthyocolla :: Ichthyocolla (n.) Fish glue; isinglass; a glue prepared from the sounds of certain fishes.

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