| hyo- | <anatomy, prefix> A prefix used in anatomy, and generally denoting connection with the hyoid bone or arch; as, hyoglossal, hyomandibular, hyomental, etc. (29 Oct 1998) |
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| hyobranchial cleft | The cleft caudal to the hyoid arch of the embryo. (05 Mar 2000) |
| hyoepiglottic | Relating to the hyoid bone and the epiglottis; denoting the elastic hyoepiglottic ligament connecting the two structures. Synonym: hyoepiglottidean. (05 Mar 2000) |
| hyoepiglottic ligament | <anatomy> A short elastic band that unites the epiglottis to the upper border of the hyoid bone. Synonym: ligamentum hyoepiglotticum. (05 Mar 2000) |
| hyoepiglottidean | Relating to the hyoid bone and the epiglottis; denoting the elastic hyoepiglottic ligament connecting the two structures. Synonym: hyoepiglottidean. (05 Mar 2000) |
| hyoganoidei | <marine biology> A division of ganoid fishes, including the gar pikes and bowfins. Origin: NL. (05 Mar 1998) |
| hyoglossal | <anatomy> Pertaining to or connecting the tongue and hyodean arch; as, the hyoglossal membrane. Of or pertaining to the hyoglossus muscle. Origin: Hyo- + Gr. Tongue. Source: Websters Dictionary (01 Mar 1998) |
| hyoglossal membrane | Posterior widening of the lingual septum connecting the root of the tongue to the hyoid bone; the inferior fibres of the genioglossus are attached to it and by this means to the upper anterior body of the hyoid bone near the midline. (05 Mar 2000) |
| hyoglossal muscle | <anatomy, muscle> A flat muscle on either side of the tongue, connecting it with the hyoid bone. Origin, body and greater horn of hyoid bone; insertion, side of the tongue; action, retracts and pulls down side of tongue; nerve supply, motor by hypoglossal, sensory by lingual. Synonym: musculus hyoglossus, hyoglossal muscle, hyoglossus. Origin: NL, fr. Hyo- hyo- + Gr. Tongue. (08 Mar 2000) |
| hyoglossus muscle | <anatomy, muscle> A flat muscle on either side of the tongue, connecting it with the hyoid bone. Origin, body and greater horn of hyoid bone; insertion, side of the tongue; action, retracts and pulls down side of tongue; nerve supply, motor by hypoglossal, sensory by lingual. Synonym: musculus hyoglossus, hyoglossal muscle, hyoglossus. Origin: NL, fr. Hyo- hyo- + Gr. Tongue. (08 Mar 2000) |
| hyoid | 1. Having the form of an arch, or of the Greek letter upsilon. 2. <anatomy> Of or pertaining to the bony or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself. 3. <anatomy> Hyoid arch, the bone in the base of the tongue, the middle part of the hyoid arch. Origin: Gr. Fr. The letter + form: cf. F. Hyoide. (05 Mar 1998) |
| hyoid apparatus | <veterinary> A veterinary anatomy term for hyoid bones, a modified portion of the ancestral branchial skeleton consisting of an articulated chain of bones extending from the mastoid region of the skull on each side to the base of the tongue. In humans, it is reduced to a single bone, os hyoideum; in a typical mammal (the dog), it consists of a tympanohyoid cartilage attached to the skull, followed by the stylohyoid, epihyoid, keratohyoid, basihyoid, and thyrohyoid bones. Synonym: apparatus hyoideus. (05 Mar 2000) |
| hyoid arch | <anatomy> The second visceral, or branchial, a; the second postoral arch in the branchial arch series. (05 Mar 2000) |
| hyoid bone | <anatomy> A U-shaped bone lying between the mandible and the larynx, suspended from the styloid processes by slender stylohyoid ligaments. See: hyoid apparatus. Synonym: os hyoideum, lingual bone, tongue bone. (05 Mar 2000) |
| hyomandibular | <anatomy> 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. The hyomandibular bone or cartilage. Origin: Hyo- + mandibular. Source: Websters Dictionary (01 Mar 1998) |