What Are Vocal Folds?

The vocal cord is the main component of the vocal organ. Located in the middle of the laryngeal cavity, it is composed of vocal cord muscles, vocal cord ligaments, and mucous membranes, which are symmetrical left and right. The vocal cord's inherent membrane is dense connective tissue, with strong elastic fibers and striated muscles at the edges of the folds, which is highly elastic. The sagittal fissure between the two vocal folds is the glottic fissure.

The vocal cord is the main component of the vocal organ. Located in the middle of the laryngeal cavity, it is composed of vocal cord muscles, vocal cord ligaments, and mucous membranes, which are symmetrical left and right. The vocal cord's inherent membrane is dense connective tissue, with strong elastic fibers and striated muscles at the edges of the folds, which is highly elastic. The sagittal fissure between the two vocal folds is the glottic fissure.

Chinese name

vocal cord

Foreign name

Vocal cords

Structure

Vocal cord muscle, vocal ligament and mucosa

1 Vocal cord 1, vocal cord structure:

The vocal cord is the main structure of human vocalization, ranging from extremely slight hissing to complete loss of sound, mostly due to vocal fold lesions or other causes that hinder normal movement of the vocal cord. The vocal cords are located below the laryngeal false vocal cords (ventricular folds), one on the left and the other on the left, consisting of vocal ligaments, muscles, and mucous membranes. When the vocal cords open, an isosceles triangle crack appears, called a glottic fissure, from which air enters and exits, and it is also the narrowest part of the throat. The vocal cords of Chinese adult males are generally 18mm ~ 24mm, with an average length of about 20mm, and adult females are generally 14mm ~ 18mm, with an average of about 15mm. When the airflow exhaled from the lungs rushes towards the nearby vocal cords and causes vibration, a sound is produced. The sound from the larynx is the fundamental sound, which is enhanced and changed by the resonance of the organs such as the pharynx, mouth, nose, sinus, trachea and lungs (commonly referred to as the lower resonance cavity), and becomes the sound heard. During vocalization, the vocal cords on both sides are tightened, the glottic fissures are narrowed, or even nearly closed. The airflow from the trachea and lungs constantly impacts the vocal cords, causing vibration and sound. Regular control. Therefore, the length of the vocal cord, the elasticity and the size of the glottis can all affect the pitch. Adult men's vocal cords are long and wide, and women's vocal cords are short and narrow, so women have a higher voice than men. Adolescents change their voices at the age of 14 and generally last about six months.

2 Vocal cord 2, vocal cord protection:

In order to protect the soundtrack, it is recommended to pay attention to the following points:

Strengthen physical exercise, strengthen physical fitness, and improve resistance to upper respiratory infections;

eat less irritating food, avoid excessive throat, no smoking alcohol;

(3) Strengthen labor protection, and properly deal with the harmful gas and dust in the production process;

Teachers, literary and art workers need to pay attention to the correct vocalization methods, especially during colds, and do not vocalize excessively;

In patients with early hoarseness, vocal cord rest should be emphasized, and active treatment should be carried out at the same time. Protecting the vocal cords starts with correct sounding.

Treat acute pharyngitis as early as possible to avoid conversion to chronic pharyngitis. Pay attention to the rest of your voice when you have a cold, especially after your hoarseness. Treat and avoid the cough in time to prevent the cough from shocking the vocal cords. In particular, it is important to avoid shouting or talking for a long time after drinking, after a cold or when the throat is inflamed, so as to avoid the formation of vocal nodules.

Also. Usually should eat less irritating food; quit smoking and alcohol; pay attention to exercise and enhance physical fitness. Children should not shout often, lest the vocal cords form shouting nodules.