Glottis
Template:Short description Script error: No such module "Distinguish". Script error: No such module "Unsubst". Script error: No such module "Infobox".Script error: No such module "Check for unknown parameters". The glottis (Template:Plural form: glottises or glottides) is the middle region of the larynx, where the vocal cords are located.[1] Within this region is the opening between the vocal cords[2] (the rima glottidis).[3] The glottis is crucial in producing sound from the vocal cords.[4]
Etymology
From Ancient Greek Script error: No such module "Lang". (Template:Transl), derived from Script error: No such module "Lang". (Template:Transl), variant of Script error: No such module "Lang". (Template:Transl, "tongue").[5]
Function
Phonation
Script error: No such module "Labelled list hatnote". As the vocal cords vibrate, the resulting vibration produces a "buzzing" quality to the speech, called voice or voicing or pronunciation.
Sound production that involves moving the vocal cords close together is called glottal.[6] English has a voiceless glottal transition spelled "h". This sound is produced by keeping the vocal cords spread somewhat, resulting in non-turbulent airflow through the glottis.[6] In many accents of English the glottal stop (made by pressing the cords together) is used as a variant allophone of the phoneme Script error: No such module "IPA". (and in some dialects, occasionally of Script error: No such module "IPA". and Script error: No such module "IPA".); in some languages, this sound is a phoneme of its own.
Skilled players of the Australian didgeridoo restrict their glottal opening in order to produce the full range of timbres available on the instrument.[7]
The vibration produced is an essential component of voiced consonants as well as vowels. If the vocal cords are drawn apart, air flows between them causing no vibration, as in the production of voiceless consonants.[8]
The glottis is also important in the Valsalva maneuver.
- Voiced consonants include Script error: No such module "IPA".
- Voiceless consonants include Script error: No such module "IPA".
References
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- ↑ Script error: No such module "citation/CS1".
- ↑ Ladefoged, Peter. 2006. A course in Phonetics. UCLA.
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ wikt:glottis
- ↑ a b Script error: No such module "citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
- ↑ Script error: No such module "Citation/CS1".
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External links
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- States of the Glottis (Esling & Harris, University of Victoria)
- Universität Stuttgart Speech production
- Script error: No such module "Citation/CS1".
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