Some questions about the vocal cords and vocalizations of the throat

Vocal corditis and pharyngitis are two different conditions, and pharyngitis is actually chronic pharyngitis, and the symptoms are not obvious. Patients with laryngitis will feel uncomfortable in their throat, as if there is something in Yosho, and it will be accompanied by an itching and burning sensation. **When it comes to using throat lozenges**.

Vocal corditis is the appearance of symmetrical nodules on both sides of the vocal cords, which has an impact on the dry glottis, resulting in hoarse speech.

The vocal cords, located in the larynx, are a pair of muscles and mucous membranes that resemble a double-layered diaphragm in shape.

The main role of the vocal cords is to vibrate to produce sound when air passes through it. When we inhale air, the air passes through the larynx and the vocal cords automatically open to let the air through. But when we want to speak, sing, etc., the vocal cords will actively contract, forming a narrow glottis that vibrates when air passes through, resulting in sound.

The pitch of the voice depends on the pitch base tension and flutter frequency of the vocal cords. When the sound branches contract, the tension increases, the flutter frequency also increases, and the sound produced becomes higher. Conversely, when the vocal cords are relaxed, the tension decreases, the flutter frequency decreases, and the sound produced becomes lower.

Therefore, the vocal cords are the key structure of our vocalization, and they are also the basis of human language and **.

First, to know how the vocal cords make sound, we must first understand the structure of the vocal cords (see the figure below): the human vocal cords are based on thyroid cartilage.

The vocal ligament behind the anterior horn and between the arytenoid vocal cords and the glottic fissure cartilage vocal cord process is the foundation, together with the vocal cord muscles and the mucosa on its surface. The fissure between the vocal cords and the base of the arytenoid cartilage is called the glottic fissure and is the narrowest part of the laryngeal cavity. The anterior 2 3 of the glottic cleft are located between the vocal folds on both sides and are called the intermembranous part; The posterior 1 3 of the glottal cleft is located between the base of the arytenoid cartilage on both sides and the vocal cord process, which is called the interchondral part.

The cleft of the vocal cords and glottis is called the glottis.

2. The mechanism of vocal cord vocalization: when vocalization, the vocal cords on both sides are tightened, the glottis fission is narrowed, or even almost closed, and the airflow rushing out of the trachea and lungs continuously impacts the vocal cords, causing vibration and vocalization, and under the domination of the coordination of the laryngeal muscles, the glottis fissure is regularly controlled. Therefore, the length of the vocal cords, the tightness and the size of the glottal fissure can affect the pitch of the voice.

Adult men have long and wide vocal cords, and female vocal cords are short and narrow, so women have a higher pitch than men.

Larynx and vocal cords: The larynx is at the end of the upper end of the trachea and is the passage through which humans breathe. It is made up of cartilage connected by many joints and ligaments.

The larynx has two symmetrical ligaments made up of elastic fibers, which are called the vocal cords. The vocal voice is formed by the exhaled air flow from the lungs and trachea that causes vibrations when it hits the vocal cords. If a vowel is pronounced at this time, it constitutes a musical note.

The vocal cords are the main articulatory body in humans.

The change in voice is caused by the movement of the laryngeal cartilage to drive changes in the vocal cords, between which a large number of fibrous bundles are connected to various muscles, and the contraction of these muscles can cause the cartilage to rotate, so that the vocal cords are tightened or relaxed, closed or opened. The sound is different due to the tightness and thickness of the vocal cords and the length of the vibrating parts. If the vocal cords are tight and thin, and the vibration part is short, the sound is high.

Otherwise, the voice is low.

1. The larynx is an organ, mainly the vocal cords vibrate to produce sound, and then the teeth, tongue, and cheeks cooperate to produce speech.

2. There are two vocal cords in the larynx, and the vocal cords of the larynx are both a valve and a vibrating part, which is the narrowest part of them.

To put it bluntly, the larynx is like a tube, and the vocal cords are the narrowest part of it, like a door on the left and right.

The larynx is shallow, subcutaneous in the middle of the anterior part of the neck, palpable The structure of the larynx: more complex, with cartilage as a scaffold, connected by joints, ligaments and muscles, and lined with mucosa The laryngeal muscles are skeletal muscles The larynx is composed of multiple cartilages, including a thyroid cartilage, an cricoid cartilage, an epiglottis cartilage, and a pair of arytenoid cartilages The larynx is both a gas channel and a speech organ, not a food channel; The laryngeal cavity opens upwards into the pharynx and connects with the trachea downward, not between the pharynx and the esophagus The larynx is a vocal organ, and the vocal cords move to the midline during pronunciation, the glottis closes, and the exhaled airflow in the lungs impulses the vocal cords to produce a base sound, and then resonates through the pharynx, mouth, and nose, and is composed of words from the tongue, soft palate, teeth, and lips, thus producing a variety of different sounds and languages

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