Add word 100. The primary function of the hyoid bone is to serve as an attachment structure for the tongue and for muscles in the floor of the oral cavity. At the beginning of a swallowing motion, the geniohyoid and mylohyoid muscles elevate the bone and the floor of the mouth simultaneously. The anterior surface that faces the front of the neck is convex and, when in a neutral position sits slightly forward and upward. Which of the following is part of the infrahyoid group of muscles? The mylohyoid muscle lifts the lingual bone and tongue when we speak or swallow. Definition. A hyoid fracture can also occur via blunt force trauma to the neck. 1. of or relating to the hyoid bone. The primary function of the hyoid bone is to serve as an attachment structure for the tongue and for muscles in the floor of the oral cavity. Most of the laryngeal cartilages ossify (turn to bone) to variable degrees with age under the influence of masculinizing hormones. Other muscles attached to the hyoid bone are the two mylohyoid muscles, which form a sort of diaphragm for the floor of the mouth; the thyrohyoid, arising from the thyroid cartilage, the largest cartilage of the larynx; and the omohyoid, which originates from the upper margin of the shoulder blade and from the suprascapular ligament. adjective. The position of the hyoid bone with relation to the muscles attached to it has been likened to that of a ship steadied as it rides when anchored “fore and aft.” Through the muscle attachments, the hyoid plays an important role in mastication, in swallowing, and in voice production. Parts . “Hyoid Bone.”, Biologydictionary.net Editors. Unlike other bones, the hyoid is only distantly articulated to other bones by muscles or ligaments. It plays important roles in mastication (chewing), tongue movement, phonation, and swallowing. All hyoid bones were scanned with slice thicknesses of 0.625 mm, 1.25 mm, and 2.50 mm. As the greater horns protrude toward the back of the neck, they become compressed against the third or fourth cervical vertebrae during strangulation. “Hyoid Bone.” Biology Dictionary. The hyoid bone, lingual bone, or tongue bone is a U-shaped or horseshoe-shaped bone. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The hyoid bone has certain muscles of the tongue attached to it. It can be seen during endotracheal intubation where a breathing tube is passed through the vocal cords (the edges of the triangular hole in the image) and towards the lungs. Noun . Because of this, it is often said to be free-floating. The Greeks named the upside-down letter U (upsilon) ‘hyodeides’ and this is where the tongue bone gets its most commonly-used name. hyoid bone a horseshoe-shaped bone at the base of the tongue. Retrieved from: Schünke M, Schulte E, Ross LM, Lamperti ED, Schumache U. Above this is the thyroid cartilage, and above the thyroid cartilage sits the tongue bone. Definition. Instead, it attaches to cartilage, muscles, and ligaments. It helps to control tongue movement and plays a minor role in head positioning. The hyoid bone is the only bony structure in the larynx and the only bone in humans that does not articulate with other bones. hyoid bone . Two groups of muscles – the suprahyoid (above the hyoid) and  infrahyoid  (below the hyoid) muscles – use this bone as a point of attachment. The fusion of bone joints is called ankylosis. horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage . While every effort has been made to follow citation style rules, there may be some discrepancies. Like the digastric muscle, it also helps to open the mouth. Hyoid bone anatomy is not complicated but many different muscles depend on it as an attachment point. hyoid 1. When the two hyoid muscle groups are not working in sync, they contribute to pharyngeal collapse. Hyoid definition, noting or pertaining to a U-shaped bone at the root of the tongue in humans, or a corresponding bone or collection of bones in animals. Er ist über das rechte und linke Ligamentum stylohyoideum mit den gleichnamigen Fortsätzen des Os temporale verbunden und besitzt keine Gelenkverbindung zu anderen Knochen.. 2 Einteilung. Hyoid Bone. The bone is more or less in the shape of a U, with the body forming the central part, or base, of the letter. Medical Definition of hyoid. It is also involved in swallowing and mouth opening. ‘Speech requires flexibility of the upper airway, including laryngeal and hyoid mobility and separation of the hard palate from the epiglottis.’ A membrane called the hyothyroid membrane separates the tongue bone from the soft tissue of the epiglottis. Shaped like a U, or like the letter upsilon; specifically, designating a bone or group of bones supporting the tongue. Hyoid bone definition: the horseshoe-shaped bone that lies at the base of the tongue and above the thyroid... | Meaning, pronunciation, translations and examples This ligament suspends the hyoid from the styloid processes of the temporal bones. See anatomic Table of Bones in the Appendices. The hyoglossus depresses and retracts the tongue; the middle pharyngeal constrictor constricts around food that enters through the oropharynx (food bolus), pushing it down to the esophagus. The hyoid bone anchors them when they contract to depress the tongue and widen the oral cavity. lingual bone; Translations . Thanks for contributing. Add a meaning Cancel. While OSAS is commonly treated with continuous positive airway pressure – the blowing of air into the airway under pressure – this chronic disorder can also be treated with surgery. incisive bone the portion of the maxilla bearing the incisors; developmentally, it is the premaxilla, which in humans later fuses with the maxilla, but in most other vertebrates persists as a separate bone. Contraction of the muscles pulls the hyoid bone upward and forward. You can get more than one meaning for one word in Urdu. hyoid meaning: 1. a U-shaped bone in the middle of the neck between the chin and the thyroid that supports the…. When the hyoid is elevated, the airway dilates. noting or pertaining to a U -shaped bone at the root of the tongue in humans, or a corresponding bone or collection of bones in animals. The shorter, stumpier lesser horns of the hyoid bone are an attachment point for the stylohyloid ligament. Copy to clipboard; Details / edit; wikidata. What does hyoid-bone mean? The fracture may be associated with gunshot injury, car accidents or induced vomiting. (Anatomy) a corresponding bone or group of bones in other vertebrates Examples of sleep apnea surgery are hyoidothyroidopexy, hyoid suspension, and hyoid myotomy. The bone is situated at the root of the tongue in the front of the neck and between the lower jaw and the largest cartilage of the larynx, or voice box. It has no articulation with other bones. As the tongue bone is an attachment point for the suprahyoid and infrahyoid muscle groups, and as it is these muscles together with muscles of the oropharynx that keep the airway open, it is easy to understand why this bone plays a role. It is a bone in the neck which protects the esophagus and facillitates a wide range of muscle movements required for speaking and swallowing. The two paired horns are called the greater and lesser cornua. Biologydictionary.net Editors. os hyoideum. A broken hyoid bone can indicate … The lingual bone is attached to the thyroid cartilage by way of a ligament called the thyrohyoid membrane. (Anatomy) the horseshoe-shaped bone that lies at the base of the tongue and above the thyroid cartilage 2. 2. the horseshoe-shaped bone that lies at the base of the tongue and above the thyroid cartilage. 0. Biologydictionary.net Editors. Learn more. { noun neuter } bone in the neck horseshoe-shaped bone situated in the anterior midline of the neck between the chin and the thyroid cartilage Replace the values … These muscles are assisted by the stylohyoid and digastric muscles. by Dimitri Kuphal. The hyoid bone is located just below the submaxillary or digastric triangle – an anatomical landmark under the lower jaw (mandible). It is A U-shaped bone at the base of the tongue that supports the muscles of the tongue. After the hyoid bone is lifted by the suprahyoid muscles, the infrahyoid muscles pull it back down. It’s exceptional in the meaning that, it’s suspended from styloid processes of temporal bones by stylohyoid ligaments and it does not articulate with any bone of the body. All Free. 0. The greater cornua are the limbs of the U. The hyoid bone is unique because it does not have joints with any other bones. Am Os hyoideum lassen sich folgende relevante Strukturen unterscheiden: From the base of the neck upward, which is the correct order of anatomical structures? Visit a page 5. Hyoid bone is the only bone located in the anterior neck. "having the form of the Greek capital letter upsilon" (ϒ), 1811, from French hyoïde (16c. Hyoid bone, U-shaped bone situated at the root of the tongue in the front of the neck and between the lower jaw and the largest cartilage of the larynx, or voice box. Oropharynx and tracheal rings and, like the body of the tongue they become compressed against the,! Victims ; this type of fracture is more likely in older populations scanned. 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