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Research on the epidemiology of vocal fold nodules in children has suggested that nodules are more common in boys (2:1), in particular boys who are active and scream more frequently. [10] [21] However, in adulthood, women are more likely to have nodules, and are especially likely if they have an outgoing personality or sing frequently. [14]
The vocal folds are commonly referred to as vocal cords, and less commonly as vocal flaps or vocal bands. The term vocal cords was coined by the French anatomist Antoine Ferrein in 1741. In his violin analogy of the human voice, he postulated that the moving air acted like a bow on cordes vocales. [42]
Adult men and women typically have different sizes of vocal fold; reflecting the male-female differences in larynx size. Adult male voices are usually lower-pitched and have larger folds. The male vocal folds (which would be measured vertically in the opposite diagram), are between 17 mm and 25 mm in length. [ 10 ]
Laryngospasm is an uncontrolled or involuntary muscular contraction of the vocal folds. [1] It may be triggered when the vocal cords or the area of the trachea below the vocal folds detects the entry of water, mucus, blood, or other substance.
For the purposes of 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); and the subglottis. Most laryngeal cancers originate in the glottis, with supraglottic and subglottic tumours ...
Successful non-classical baritones display a wide range of vocal qualities and effects that lend a unique character to their voices, many of which are considered undesirable in the operatic or classical baritone singer, such as "breathy" , [3] "distinguished…crooner" , [4] "growling" (Neil Diamond), [5] and even "ragged" (Bruce Springsteen).
Diane Arbus (/ d iː ˈ æ n ˈ ɑːr b ə s /; née Nemerov; March 14, 1923 – July 26, 1971 [2]) was an American photographer. [3] [4] She photographed a wide range of subjects including strippers, carnival performers, nudists, people with dwarfism, children, mothers, couples, elderly people, and middle-class families. [5]
The intermediate and deep layers of lipopolysaccharides compose the vocal ligaments which are enclosed within the vocal folds and are responsible for strain in phonation. Within the extracellular matrix community of vocal ligament, fibrous proteins such as elastin and collagen are pivotal in maintaining the proper elastic biomechanical property ...