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Vocal cord nodules are bilaterally symmetrical benign white masses that form at the midpoint of the vocal folds. [1] Although diagnosis involves a physical examination of the head and neck , as well as perceptual voice measures, visualization of the vocal nodules via laryngeal endoscopy remains the primary diagnostic method.
Vocal rest or voice rest is the process of resting the vocal folds by not speaking and singing typically following viral infections that cause hoarseness in the voice, such as the common cold or influenza or more serious vocal disorders such as chorditis or laryngitis. [1]
Vocal loading also includes other kinds of strain on the speech organs. These include all kinds of muscular strain in the speech organs, similarly as usage of any other muscles will experience strain if used for an extended period of time. However, researchers' largest interest lies in stress exerted on the vocal folds.
The human vocal cords are roughly 12 – 24 mm in length, and 3–5 mm thick. [9] 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. [10]
Any injury or condition that prevents the vocal cords - the paired bands of muscle tissue positioned over the trachea - from coming together and vibrating will have the potential to make a person unable to speak. When a person prepares to speak, the vocal folds come together over the trachea and vibrate due to the airflow from the lungs.
Nyong'o strained her vocal cords, forming a polyp while recording Roz's robotic yet emotional voice. Recording sessions were halted for three months to allow Nyong'o to recover without surgery.
Vocal cord dysfunction (VCD) is a condition affecting the vocal cords. [1] It is characterized by abnormal closure of the vocal folds, which can result in significant difficulties and distress during breathing, particularly during inhalation. [1] Due to the similarity in symptoms, VCD attacks are often mistaken for asthma attacks or laryngospasms.
Reinke's edema is the swelling of the vocal cords due to fluid collected within the Reinke's space. [2] First identified by the German anatomist Friedrich B. Reinke in 1895, the Reinke's space is a gelatinous layer of the vocal cord located underneath the outer cells of the vocal cord.