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In females during puberty, the vocal muscle thickens slightly, but remains very supple and narrow. The squamous mucosa also differentiates into three distinct layers (the lamina propria) on the free edge of the vocal folds. The sub- and supraglottic glandular mucosa becomes hormone-dependent to estrogens and progesterone.
These fibers run roughly parallel to the vocal fold edge and these two layers of the lamina propria comprise the vocal ligament. The transition layer is primarily structural, giving the vocal fold support as well as providing adhesion between the mucosa, or cover, and the body, the thyroarytenoid muscle.
Superficial lamina propria (Reinke's space) Intermediate lamina propria; Deep lamina propria; Vocalis muscle; In order for humans to produce sound for speech, the vocal folds must readily vibrate. The two layers of the vocal cords that vibrate are the Reinke's space and the overlying epithelium. In fact, these layers move freely over the more ...
The lamina propria is a thin layer of loose (areolar) connective tissue, which lies beneath the epithelium, and together with the epithelium and basement membrane constitutes the mucosa. As its Latin name indicates, it is a characteristic component of the mucosa, or the mucosa's "own special layer."
Ligament vocal fold cysts- located within the deeper layers of the lamina propria or on the vocal ligament. [1] The symptoms of vocal fold cysts vary but most commonly include a hoarse voice and problems with the pitch of the voice. Vocal fold cysts are diagnosed based on gathering a case history, perceptual examination, and laryngeal imaging. [3]
In popular music, the whistle register is used with more variety and to produce much higher pitches than are called for in classical music.It has mostly been used by female singers, with notable examples being Minnie Riperton, [4] Betty Wright, [5] Mariah Carey, [6] Christina Aguilera, [7] Ariana Grande [8] and Chante Moore.
The vocal timbres created by physical changes in the vocal fold vibrations and muscular changes in the laryngeal muscles are known as glottal configurations. [11] These configurations happen as a result of adduction and abduction of the glottis. A glottal configuration is the area in which the vocal folds come together when phonating.
A "register" of the human voice, such as whistle register, is a series of tones of like quality originating through operation of the larynx.The constituent tones result from similar patterns of vibration in the vocal folds, which can generate several different such patterns, each resulting in characteristic sounds within a particular range of pitches. [1]