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  • WordNet 3.6
    • adj hyoid of or relating to the hyoid bone
    • n hyoid a U-shaped bone at the base of the tongue that supports the tongue muscles
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Webster's Revised Unabridged Dictionary
  • Interesting fact: The only bone in the human body not connected to another is the hyoid, a V-shaped bone located at the base of the tongue between the mandible and the voice box. Its function is to support the tongue and its muscles.
    • Hyoid Having the form of an arch, or of the Greek letter upsilon [Υ].
    • Hyoid (Anat) Of or pertaining to the bony or cartilaginous arch which supports the tongue. Sometimes applied to the tongue itself.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The only jointless bone in your body is the hyoid bone in your throat
    • hyoid Having the form of the Greek letter upsilon, υ. In biology and embryology it is applied to the bony or hard parts developed in the second postoral visceral arch of the embryo, this being called the hyoid or hyoidean arch or apparatus, as distinguished from preceding mandibular or succeeding branchial parts.
    • n hyoid The tongue-bone or os linguæ); the hyoidean bone or collection of bones: so called from its shape in man. In man it is embedded in the muscles of the root of the tongue, lying nearly horizontal with its convexity forward, usually about on a level with the lower border of the under jaw, considerably above the Adam's apple; but it is displaced in every act of swallowing. This horseshoe-shaped arch forms the bony basis of the tongue. (See cut under mouth.) No fewer than 10 muscles arise from or are inserted into it; and it is besides suspended from the skull by the stylohyoid ligament, and connected with the larynx by the thyrohyoid membrane and ligament, and with the epiglottis by the hyo-epiglottic ligament. Its comparatively small size and simple structure in man are unusual; in most animals the bone is either relatively larger, or consists of a number of separate bones, indications of which are found in the human species in the several ossific centers from which the bone originates. Thus, the body of the human hyoid is the basihyal; the lesser cornua or horns are the ceratohyals, and the greater cornua are the thyrohyals. (See cut under skull.) In a saurop-sidan, as a bird, the so-called hyoid bone is the whole skeleton of the tongue, consisting of several parts developed in a branchial arch, as well as hyoidean parts properly so called. These parts are the basihyal, glossohyal, and ceratohyal or epihyal of thehyoidean arch proper; with the urohyal or basibranchial, the epibranchial, and the ceratobranchial, these three belonging to a branchial arch, and the last two of them being commonly known as the thyrohyal or greater cornu of the hyoid bone. The elements of the hyoid bone of an osseous fish are the basihyal, glossohyal, urohyal, epihyal, ceratohyal, and stylohyal.
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Chambers's Twentieth Century Dictionary
    • adj Hyoid hī′oid having the form of the Greek letter upsilon (υ), applied to a bone at the base of the tongue.
    • ***


Webster's Revised Unabridged Dictionary
Gr. fr. the letter Υ + e'i^dos form: cf. F. hyoïde,
Chambers's Twentieth Century Dictionary
Gr. hyoeidēs—the letter υ, and eidos, form.


In literature:

Above and from the sides rise two horns connected by bands to the hyoid bone from which the larynx is suspended.
"A Practical Physiology" by Albert F. Blaisdell
The under jaw furnishes attachment for the muscles of the tongue and hyoid or tongue bone.
"Resonance in Singing and Speaking" by Thomas Fillebrown
Hyoid bone, crico-thyroid muscle, etc.
"Voice Production in Singing and Speaking" by Wesley Mills
In developing Amphibia Huxley found a suspensorium of hyoid and mandibular arches similar to the hyomandibular of fish.
"Form and Function" by E. S. (Edward Stuart) Russell
The hyoid bone, which in man is but slightly developed, is in these monkeys very large.
"On the Banks of the Amazon" by W.H.G. Kingston
Draw and state the precise position of the hyoid bone, the clavicle, the calcaneum, and the olecranon process.
"Text Book of Biology, Part 1: Vertebrata" by H. G. Wells
Hyoid half of omo-hyoid muscle.
"Surgical Anatomy" by Joseph Maclise
Swallowing is usually difficult and painful, especially in fracture of the hyoid bone.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
The larynx is connected by muscles with the sternum, oesophagus, base of the skull, hyoid bone, lower jaw, and tongue.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
As the most developed pair in birds they are commonly, although wrongly, called the hyoid horns.
"Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7" by Various
The hyoid bones are below the lower jaw in the Pterodactyle.
"Dragons of the Air" by H. G. Seeley
The muscles which occupy the infrahyoid region are: the sterno-thyroid, the sterno-hyoid, and the omo-hyoid.
"Artistic Anatomy of Animals" by Édouard Cuyer
To allow space for the hyoid, the sides of the lower jaw are very deep and expanded.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 7" by Various
In the skull and teeth there is nothing very noteworthy, but the hyoid is remarkable.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard
This flap, an outgrowth of the hyoid arch, is known as the operculum.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 3" by Various
The hyoid arch is unlike that of any known mammal.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2" by Various
The third at the summit of the hyoid arch.
"The Works of Francis Maitland Balfour, Volume 1" by Francis Maitland Balfour

In news:

Hyoid suspension surgery with UPPP for the treatment of hypopharyngeal airway obstruction in obstructive sleep apnea.
Chondrosarcoma of the greater cornu of the hyoid: A case report and literature review.
Hyoid suspension surgery with UPPP for the treatment of hypopharyngeal airway obstruction in obstructive sleep apnea.
Chondrosarcoma of the greater cornu of the hyoid : A case report and literature review.
Woman found dead in District Heights had broken hyoid bone .
They are frequently situated just below the hyoid bone.
So much force was used to strangle the 6-foot-3-inch, 315-pound sports editor that Heitholt's hyoid bone and arytenoids - cartilage at the back of the larynx - were severed.