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Topic: Larynx


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In the News (Tue 23 Jul 19)

  
  Larynx
The larynx is a special part of the body that functions as an airway to the lungs as well as providing us with a way of communicating (vocalizing).
The thyrohyoid membrane was seen in the study of the neck and is pierced by the internal laryngeal nerve and superior laryngeal artery.
The cricothyroid muscle lies anterior and external to the larynx and was identified in the study of the muscular triangle of the neck.
home.comcast.net /~wnor/lesson11.htm   (1661 words)

  
  Larynx - Wikipedia, the free encyclopedia
During swallowing, the larynx (at the epiglottis and at the glottis) closes to prevent swallowed material from entering the lungs; there is also a strong cough reflex to protect the lungs.
Some linguists have suggested that the descended larynx, by extending the length of the vocal tract and thereby increasing the variety of sounds humans could produce, was a critical element in the development of speech and language.
Acute laryngitis is the sudden inflammation and swelling of the larynx.
en.wikipedia.org /wiki/Larynx   (909 words)

  
 XI. Splanchnology. 1a. The Larynx. Gray, Henry. 1918. Anatomy of the Human Body.
The larynx is broad above, where it presents the form of a triangular box flattened behind and at the sides, and bounded in front by a prominent vertical ridge.
It lines the whole of the cavity of the larynx; forms, by its reduplication, the chief part of the ventricular fold, and, from the ventricle, is continued into the ventricular appendix.
—The chief arteries of the larynx are the laryngeal branches derived from the superior and inferior thyroid.
www.bartleby.com /107/236.html   (4530 words)

  
 Cancer of the larynx - Wikipedia, the free encyclopedia
For the purposes of tumour staging, the larynx is divided into three anatomical regions: the glottis (true vocal cords, anterior and posterior commissures); the supraglottis (epiglottis, arytenoids and aryepiglottic folds, and false cords); the subglottis.
The symptoms of cancer of the larynx depend mainly on the size of the tumor and where it is in the larynx.
The larynx may be examined by Indirect laryngoscopy using a small angled mirror with a long handle (akin to a dentist's mirror) and a strong light.
en.wikipedia.org /wiki/Cancer_of_the_larynx   (821 words)

  
 Hurme & Sonninen: Position of Larynx in Singing
It is well known that larynx position has an effect on vocal tract resonances and on the biomechanical properties of the vocal folds [1, 2].
Larynx position is determined by these three forces within the larger context of the singer's body posture and artistic expression.
Larynx position may be connected with the chest-falsetto transition in singing (to be discussed in a forthcoming article by the present authors and Erkki Vilkman).
www.cc.jyu.fi /~hurme/Sthlm.html   (1860 words)

  
 larynx. The Columbia Encyclopedia, Sixth Edition. 2001-05
The human larynx extends from the trachea, or windpipe.
During speech, the cords are stretched across the larynx; air released from the lungs is forced between the cords, causing them to vibrate and so produce voice.
The larynx controls pitch and volume of vocal utterances—it produces initial sounds, while the articulation of these sounds results from the manipulation of teeth, tongue, palate, and lips.
www.bartleby.com /65/la/larynx.html   (335 words)

  
 Neurological Disorders of the Larynx (Apr.1998)
The larynx is a complex organ that functions as a biological valve for regulation of phonation, respiration, and swallowing.
The internal branch pierces the thyrohyoid membrane along with the superior laryngeal artery to supply the mucosa of the epiglottis, the aryepiglottic folds, and the cavity of the larynx as inferior as the vocal cords.
The external branch remains outside the larynx lying on the inferior constrictor muscle in close relationship with the superior thyroid artery and ends in the cricothyroid muscle, which it innervates.
www.utmb.edu /otoref/Grnds/Neuro-larynx-9804/Neuro-larynx-9804.html   (5325 words)

  
 CFV - How the Larynx (Voice Box) Works   (Site not responding. Last check: )
The larynx is a critical organ of human speech and singing, and it serves important biological functions as well.
The larynx is attached below to the trachea, or windpipe, which goes down to the lungs in the chest and carries the air we breathe.
Because of these anatomical relationships, the space in the middle of the larynx between the vocal folds - the glottis - is triangular in shape, with the narrow part of the 'V ' pointing towards the front.
www.voice.northwestern.edu /howworks.html   (1567 words)

  
 Dorlands Medical Dictionary
(lə-ring”go-sən-te´sis) [laryngo- + -centesis] surgical puncture of the larynx.
examination of the interior of the larynx by observation of the reflection of it in a laryngeal mirror.
(lar”ing-got´ə-me) [laryngo- + -tomy] surgical incision of the larynx.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_l_03zPzhtm   (3081 words)

  
 Larynx
The larynx is a special part of the body that functions as an airway to the lungs as well as providing us with a way of communicating (vocalizing).
The thyrohyoid membrane was seen in the study of the neck and is pierced by the internal laryngeal nerve and superior laryngeal artery.
The cricothyroid muscle lies anterior and external to the larynx and was identified in the study of the muscular triangle of the neck.
mywebpages.comcast.net /wnor/lesson11.htm   (1661 words)

  
 [No title]   (Site not responding. Last check: )
Portions of the pharynx lie posterior to the nasal cavity (nasal pharynx), oral cavity (oral pharynx) and larynx (laryngeal pharynx).
The LARYNX is an apparatus made up of cartilage, ligaments, muscles, and mucous membrane, which guards the entrance to the lower respiratory passages (trachea, bronchi, and lungs) and houses the vocal cords.
First, the larynx is raised, along with the pharynx, by the contraction of the longitudinal muscles of the pharynx.
www.emory.edu /ANATOMY/AnatomyManual/pharynx.html   (2077 words)

  
 Core Curriculum Syllabus: Anaromy Review
The larynx is a valve separating the trachea from the upper aerodigestive tract.
It is primarily thought of as an organ of communication--the "voice box"--but it is also an important regulator of respiration, and is necessary for an effective cough or valsalva maneuver, and prevents aspiration during swallowing.
Motion of the arytenoids effects abduction or adduction of the larynx.
www.bcm.edu /oto/studs/anat/larynx.html   (277 words)

  
 Cancer Information, Research, and Treatment for all Types of Cancer | OncoLink
The larynx is divided into three separate regions: the supraglottic larynx, the glottis, and the subglottic larynx.
Tumor growth by local extension in the larynx can cause a patient's airway to be compromised, the swallowing function to be interrupted (which leads to problems eating and subsequent malnutrition), as well as causing the loss of the protection of the airway during swallowing which leads to choking and infection.
Also, treatment of larynx cancer should be thought of in two parts: Treatment of the throat itself (the primary tumor) and treatment of the neck (from spread to the lymph nodes).
www.oncolink.com /types/article.cfm?c=7&s=24&ss=185&id=9450   (3881 words)

  
 Symptoms and Diagnosis of Cancer of the Larynx
The larynx, also called the voice box, is a 2-inch-long, tube-shaped organ in the neck.
It can develop in any region of the larynx -- the glottis (where the vocal cords are), the supraglottis (the area above the cords), or the subglottis (the area that connects the larynx to the trachea).
The symptoms of cancer of the larynx depend mainly on the size and location of the tumor.
healthlink.mcw.edu /article/952718125.html   (1116 words)

  
 Anatomy & Physiology of the Larynx
The larynx (lar-inks), commonly called the "voice box," is a tube shaped structure comprised of a complex system of muscle, cartilage, and connective tissue.
The larynx is suspended from the hyoid bone, which is significant in that it is the only bone in the body that does not articulate with any other bone.
The framework of the larynx is composed of three unpaired and three paired cartilages.
www.gbmc.org /voice/anatomyphysiologyofthelarynx.cfm   (722 words)

  
 HOARSENESS AND OTHER DISORDERS OF LARYNX   (Site not responding. Last check: )
The trachealis muscle has the same nerve supply as the intrinsic muscle of larynx end is capable of contraction with narrowing of lumen of the trachea either on direct stimulation or by reflex action.
The tissues of the larynx are of such nature that edema can occur with great ease and the resulting swelling can be serious of all proportion to its size because of its encroachment on the air way to the lungs.
The ease and severity of swelling of the subglottic tissue of the larynx is in inverse ratio to the age of the patient.
www.jeghers.com /annts/HOARSENESS.htm   (1974 words)

  
 What Is Cancer of the Larynx
Cancer of the larynx (or voicebox) is a disease in which cancer (malignant) cells are found in the tissues of the larynx.
There are three main parts of the larynx: the glottis (the middle part of the larynx where the vocal cords are), the supraglottis (the tissue above the glottis), and the subglottis (the tissue below the glottis).
Treatment of cancer of the larynx depends on where the cancer is in the larynx, the stage of the disease, and the patient's age and overall health.
cancer.uchc.edu /patients_families/treatment_types/headneck/laryngeal.html   (2557 words)

  
 Voice Problems   (Site not responding. Last check: )
The larynx, or voice box, is an organ in the neck that plays a crucial role in speech and breathing.
The larynx is the point at which the aerodigestive tract splits into two separate pathways: the inspired air travels through the trachea, or windpipe, into the lungs, and the food enters the esophagus and passes into the stomach.
Hoarseness is produced by an abnormality in the function of the larynx.
depts.washington.edu /otoweb/patients/pts_specialties/pts_voice-prob/pts_voice-prob.htm   (744 words)

  
 Latest Larynx Cancer Treatments
Larynx cancer simply means one that started in the larynx proper.
The larynx is lined with cells which grow rapidly before birth and during childhood through puberty.
The larynx is made up of the vocal cords and surrounding support structures, it is essential in producing normal human voice and also helps prevent food and liquid from entering into the lungs.
www.cancergroup.com /em27.html   (538 words)

  
 Diseases of the Larynx
Polyps are benign lesions of the larynx, occurring mostly in adult males, that are usually located on the phonating margin (edge) of the vocal folds and prevent the vocal folds from meeting in the midline.
The diagnosis can be suspected by the history and physical exam, and confirmed by examination of the larynx with a flexible fiberoptic laryngoscope during an attack.
Presbylaryngis is a condition that is caused by thinning of the vocal fold muscle and tissues with aging.
www.texasvoicecenter.com /larynx.html   (1147 words)

  
 eMedicine - Congenital Malformations, Larynx : Article by Ted L Tewfik, MD, FRCSC
The larynx develops from the endodermal lining and the adjacent mesenchyme of the foregut between the fourth and sixth branchial arches.
The main changes occurring in the larynx postnatally are a change in the axis, luminal shape, length, and proportional growth of the laryngeal elements.
Laryngeal cysts are uncommon congenital anomalies of the larynx.
www.emedicine.com /ent/topic324.htm   (5360 words)

  
 Larynx Cancer Information   (Site not responding. Last check: )
Radiation to the larynx causes changes in the saliva and may reduce the amount of saliva.
Also, their voice may be weak at the end of the day, and it is not unusual for the voice to be affected by changes in the weather.
A pneumatic larynx is held over the stoma and uses air from the lungs instead of batteries to make it vibrate.
www.georgetown.edu /departments/radiationmedicine/larynx_cancer.htm   (2696 words)

  
 Breath-holding, Larynx, and Diving Reflex
Breath-holding, the descended larynx, the diving reflex, and the AAT
The descended larynx of humans is not fully descended at birth; instead it gradually descends during the first four years of the infant's life.
The lowered larynx makes for a larger volume in the vocal apparatus and thus the tone is lowered -- just as a larger drum sounds deeper or a woodwind or brass instrument gives lower sounds when the internal volume is changed by moving keys or valves.
www.aquaticape.org /bhdr.html   (3120 words)

  
 Larynx definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms
Larynx: The larynx is the portion of the breathing, or respiratory, tract containing the vocal cords which produce vocal sound.
Larynx Cancer - Symptoms of cancer of the larynx, the organ at the front of the neck, include hoarseness, a lump in the neck, sore throat, cough, problems breathing, bad breath, earache, and weight loss.
Treatment for larynx cancer depends on the stage (the extent) of the disease.
www.medterms.com /script/main/art.asp?articlekey=6224   (410 words)

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