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Encyclopedia > Glottis
Glottis
Arytenoid cartilage
Glottis positions
MeSH Glottis
Dorlands/Elsevier g_08/12395255

The space between the vocal cords is called the glottis. Image File history File links Arytenoid_cartilage. ... Image File history File links Download high resolution version (2279x429, 224 KB) Postions of glottis own drawing File links The following pages link to this file: Glottis Phonation ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo. ... Laryngoscopic view of the vocal folds. ...

Contents

Function

As the vocal cords vibrate, the resulting vibration produces a "buzzing" quality to the speech, called voice or voicing.


Sound production involving only the glottis is called glottal. English has a voiceless glottal fricative spelled "h". In many accents of English the glottal stop (made by pressing the folds together) is used as a variant allophone of the phoneme /t/ (and in some dialects, occasionally of /k/ and /p/); in some languages, this sound is a phoneme of its own. The voiceless glottal transition, commonly called a fricative, is a type of sound used in some spoken languages which often behaves like a consonant, but sometimes behaves more like a vowel, or is indeterminate in its behavior. ... This article does not cite any references or sources. ... In phonetics, an allophone is one of several similar phones that belong to the same phoneme. ... In human language, a phoneme is the theoretical representation of a sound. ...


Skilled players of the Australian didgeridoo restrict their glottal opening in order to produce the full range of timbres available on the instrument. [1] A didgeridoo. ...


The vibration produced is an essential component of voiced consonants as well as vowels. If the vocal folds are drawn apart, air flows between them causing no vibration, as in the production of voiceless consonants. In articulatory phonetics, a consonant is a sound in spoken language that is characterized by a closure or stricture of the vocal tract sufficient to cause audible turbulence. ... Note: This page contains IPA phonetic symbols in Unicode. ...

  • Voiced consonants include /w/, /v/, /z/, /ʒ/, /ʤ/, /ð/, /b/, /d/, and /g/.
  • Voiceless consonants include /h/, /ʍ/, /f/, /s/, /ʃ/, /ʧ/, /θ/, /p/, /t/, and /k/.

Additional images

See also

In phonetics, phonation is the use of the laryngeal system to generate an audible source of acoustic energy, i. ...

External links

eMedicine is an online clinical medical knowledge base that was founded in 1996. ... List of bones of the human skeleton Human anatomy is primarily the scientific study of the morphology of the adult human body. ... A human neck. ... This article does not cite any references or sources. ... The pharynx (plural: pharynges) is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial, or superior, to the esophagus, larynx, and trachea. ... The larynx (plural larynges), colloquially known as the voicebox, is an organ in the neck of mammals involved in protection of the trachea and sound production. ... Cartilage is a type of dense connective tissue. ... The cricoid cartilage, or simply cricoid, is the only complete ring of cartilage around the trachea. ... For other uses, see Adams apple (disambiguation). ... The epiglottis is a lid-like flap of fibrocartilage tissue covered with a mucus membrane, attached to the root of the tongue. ... The arytenoid cartilages are a pair of small pyramid-shaped cartilages, at the upper rear of the larynx, to which the vocal cords are attached. ... The cuneiform cartilages (cartilages of Wrisberg) are two small, elongated pieces of yellow elastic cartilage, placed one on either side, in the aryepiglottic fold, where they give rise to small whitish elevations on the surface of the mucous membrane, just in front of the arytenoid cartilages. ... The corniculate cartilages (cartilages of Santorini) are two small conical nodules consisting of yellow elastic cartilage, which articulate with the summits of the arytenoid cartilages and serve to prolong them backward and medialward. ... A ligament is a short band of tough fibrous connective tissue composed mainly of long, stringy collagen fibres. ... The hyothyroid membrane (thyrohyoid membrane) is a broad, fibro-elastic layer, attached below to the upper border of the thyroid cartilage and to the front of its superior cornu, and above to the upper margin of the posterior surface of the body and greater cornua of the hyoid bone, thus... The lateral thyrohyoid ligament (lateral hyothyroid ligament) is a round elastic cord, which forms the posterior border of the hyothyroid membrane and passes between the tip of the superior cornu of the thyroid cartilage and the extremity of the greater cornu of the hyoid bone. ... The middle thicker part of the thyrohyoid membrane is termed the median thyrohyoid ligament (middle hyothyroid ligament, middle thyrohyoid ligament), its lateral thinner portions are pierced by the superior laryngeal vessels and the internal branch of the superior laryngeal nerve. ... The Epiglottis is connected with the hyoid bone by an elastic band, the hyoepiglottic ligament, which extends from the anterior surface of the epiglottis to the upper border of the body of the hyoid bone. ... The cricotracheal ligament connects the cricoid cartilage with the first ring of the trachea. ... The cricothyroid ligament is the larger part of the laryngeal membrane, continuing inferiorly as a median or anterior part and twin lateral ligaments. ... The Glossoepiglottic folds are the anterior or lingual surface of the epiglottis is curved forward, and covered on its upper, free part by mucous membrane which is reflected on to the sides and root of the tongue, forming a median and two lateral glossoepiglottic folds; the lateral folds are partly... The entrance of the larynx (Fig. ... // Bold textItalic text The vocal folds, also known popularly as vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. ... The vestibular fold (ventricular fold, superior or false vocal cord) is one of two thick folds of mucous membrane, each enclosing a narrow band of fibrous tissue, the ventricular ligament which is attached in front to the angle of the thyroid cartilage immediately below the attachment of the epiglottis, and... Enclosed within the vocal folds, there are two strong bands, named the vocal ligaments (inferior thyroarytenoid). ... The ventricle of the larynx (laryngeal sinus) is a fusiform fossa, situated between the ventricular and vocal folds on either side, and extending nearly their entire length. ... The infraglottic cavity is the portion of the larynx below the ventricles of the larynx and rima glottidis. ... The portion of the cavity of the larynx above the vocal folds is called the vestibule; it is wide and triangular in shape, its base or anterior wall presenting, however, about its center the backward projection of the tubercle of the epiglottis. ... The rima glottidis is the opening between the true vocal cords and the arytenoid cartilages. ... Anatomists use the term triangles of the neck to describe the divisions created by the major muscles in the region. ... The anterior triangle is bounded, in front, by the middle line of the neck; behind, by the anterior margin of the Sternocleidomastoideus; its base, directed upward, is formed by the lower border of the body of the mandible, and a line extending from the angle of the mandible to the... The inferior carotid triangle (or muscular triangle), is bounded, in front, by the median line of the neck from the hyoid bone to the sternum; behind, by the anterior margin of the Sternocleidomastoideus; above, by the superior belly of the Omohyoideus. ... The superior carotid triangle (or carotid triangle), is bounded, behind by the Sternocleidomastoideus; below, by the superior belly of the Omohyoideus; and above, by the Stylohyoideus and the posterior belly of the Digastricus. ... The submandibular triangle (or submaxillary or digastric triangle) corresponds to the region of the neck immediately beneath the body of the mandible. ... The submental triangle (or suprahyoid triangle) is a division of the anterior triangle of the neck. ... The posterior triangle (or lateral cervical region) is bounded, in front, by the Sternocleidomastoideus; behind, by the anterior margin of the Trapezius; its base is formed by the middle third of the clavicle; its apex, by the occipital bone. ... The occipital triangle, the larger division of the posterior triangle, is bounded, in front, by the Sternocleidomastoideus; behind, by the Trapezius; below, by the Omohyoideus. ... The subclavian triangle, the smaller division of the posterior triangle, is bounded, above, by the inferior belly of the Omohyoideus; below, by the clavicle; its base is formed by the posterior border of the Sternocleidomastoideus. ... The suboccipital triangle is a region of the neck bounded by the following three muscles: Rectus capitis posterior major - above and medially Obliquus capitis superior - above and laterally Obliquus capitis inferior - below and laterally It is covered by a layer of dense fibro-fatty tissue, situated beneath the Semispinalis capitis. ... Fascia is specialized connective tissue layer which surrounds muscles, bones, and joints, providing support and protection and giving structure to the body. ... The deep cervical fascia (or fascia colli in older texts) lies under cover of the Platysma, and invests the neck; it also forms sheaths for the carotid vessels, and for the structures situated in front of the vertebral column. ... The pretrachial fascia extends medially in front of the carotid vessels, and assists in forming the carotid sheath. ... The prevertebral fascia (or prevertebral layer of cervical fascia) extends medialward behind the carotid vessels, where it assists in forming their sheath, and passes in front of the prevertebral muscles. ... The investing portion of the fascia is attached behind to the ligamentum nuchæ and to the spinous process of the seventh cervical vertebra. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The buccopharyngeal fascia is attached to the prevertebral layer by loose connective tissue only, and thus an easily distended space, the retropharyngeal space, is found between them. ...

Notes

  1. ^ See "Acoustics: The vocal tract and the sound of a didgeridoo", by Tarnopolsky et al. in Nature 436, 39 (7 July 2005))

is the 188th day of the year (189th in leap years) in the Gregorian calendar. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ...

References of Glottis Simulator

de Menezes Lyra R. Glottis simulator. Anesth Analg. 1999 Jun;88(6):1422-3.[1]


Smith, N Ty. Simulation in anesthesia: the merits of large simulators versus small simulators. Current Opinion in Anaesthesiology. 13(6):659-665, December 2000.


  Results from FactBites:
 
Glottalic consonant - Wikipedia, the free encyclopedia (443 words)
A glottalic consonant is a consonant produced with some important contribution (a movement, a closure) of the glottis (the opening that leads from the nose and mouth cavities into the larynx and the lungs).
Glottalic sounds may involve motion of the larynx upward or downward, producing an egressive or ingressive glottalic airstream mechanism respectively.
Rather, glottalization implies that a normal pulmonic airstream is interrupted by closure of the glottis.
Glottis - Wikipedia, the free encyclopedia (226 words)
The space between the vocal cords is called the glottis.
As the vocal cords vibrate, the resulting vibration produces a "buzzing" quality to the speech, called voice or voicing.
English has a voiceless glottal fricative spelt "h".
  More results at FactBites »

 
 

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