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  2. Voice prosthesis - Wikipedia

    en.wikipedia.org/wiki/Voice_prosthesis

    A voice prosthesis (plural prostheses) is an artificial device, usually made of silicone that is used in conjunction with voice therapy to help laryngectomized patients to speak. During a total laryngectomy, the entire voice box is removed and the windpipe and food pipe are separated from each other. During this operation an opening between the ...

  3. Electrolarynx - Wikipedia

    en.wikipedia.org/wiki/Electrolarynx

    However, in the 1990s, research and commercial multi-tone devices began to be developed, including discrete-tone devices using multiple-position switches [7] or multiple buttons; [8] [9] as well as variable-tone devices controlled by single pressure-sensitive buttons, [10] trackballs, [11] gyroscopes, [12] touchpad-like input devices, [13] or ...

  4. Tracheo-esophageal puncture - Wikipedia

    en.wikipedia.org/wiki/Tracheo-esophageal_puncture

    A voice prosthesis is inserted into this puncture. The prosthesis keeps food out of the trachea but lets air into the esophagus for esophageal speech. A laryngectomized person is required to breathe through a permanent breathing hole in the neck, called a tracheostoma. When a laryngectomized person occludes the tracheostoma, completely blocking ...

  5. Larynx - Wikipedia

    en.wikipedia.org/wiki/Larynx

    The larynx (/ ˈ l æ r ɪ ŋ k s /), commonly called the voice box, is an organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration. The opening of larynx into pharynx known as the laryngeal inlet is about 4–5 centimeters in diameter . [ 1 ]

  6. Laryngectomy - Wikipedia

    en.wikipedia.org/wiki/Laryngectomy

    Laryngectomy is the removal of the larynx.In a total laryngectomy, the entire larynx is removed (including the vocal folds, hyoid bone, epiglottis, thyroid and cricoid cartilage and a few tracheal cartilage rings) with the separation of the airway from the mouth, nose and esophagus. [1]

  7. Vocal cord nodule - Wikipedia

    en.wikipedia.org/wiki/Vocal_cord_nodule

    One of the major perceptual signs of vocal fold nodules is a change in the quality of the voice. [1] The voice may be perceived as hoarse, [4] [5] due to aperiodic vibrations of the vocal folds, [5] and may also be perceived as breathy, [4] [5] due to an incomplete closure of the vocal folds upon phonation.

  8. List of medical roots, suffixes and prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_roots...

    water Greek ὕδωρ (húdōr), water hydrophobe, hydrogen hyper-extreme or beyond normal Greek ὑπέρ (hupér), over, above; beyond, to the extreme hypertension, hypertrichosis: hyp(o)-below normal Greek ὑπό, ὑπο-(hupó), below, under hypovolemia, hypoxia: hyster(o)-of or pertaining to the womb or the uterus

  9. Place of articulation - Wikipedia

    en.wikipedia.org/wiki/Place_of_articulation

    The larynx or voice box is a cylindrical framework of cartilage that serves to anchor the vocal folds. When the muscles of the vocal folds contract, the airflow from the lungs is impeded until the vocal folds are forced apart again by the increasing air pressure from the lungs. The process continues in a periodic cycle that is felt as a ...