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Due to the primarily amorphous fibrous and nonfibrous proteins in the lamina propria, the basement membrane applies strong anchoring-filaments like collagen IV and VII to secure the hemidesmosome of basal cell to the lamina propria. These attachments are strong enough to sustain beating and stretch, to which the vocal cords are subjected. [4]
The human vocal cords are roughly 12 – 24 mm in length, and 3–5 mm thick. [10] Histologically, the human vocal cords are a laminated structure composed of five different layers. The vocalis muscle, main body of the vocal cords, is covered by the mucosa, which consists of the epithelium and the lamina propria. [11]
The Reinke's space is sometimes referred to as the superficial lamina propria. [5] Reinke's edema is characterized by the "sac-like" appearance of the fluid-filled vocal cords. [6] The swelling of the vocal folds causes the voice to become deep and hoarse. Therefore, the major symptom of Reinke's edema is a hoarseness similar to laryngitis.
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]
People like singers, actors, lawyers and broadcasters are more susceptible vocal fold trauma, known as phonotrauma, because they use their voice frequently, and the effects can be anything from ...
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."
Google CEO Larry Page announced today on his Google+ profile that he has long been afflicted by a rare vocal cord paralysis. He was initially diagnosed with "left vocal cord paralysis" about 14 ...
Abductor spasmodic dysphonia, which is less common, causes the vocal cords to suddenly open. “That leads to a breathier kind of voice,” he says. Read More : 11 Ways to Respond When Someone ...