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Larynx : structure of the larynx, role of the larynx


 What Is Larynx?

The larynx, also known as the voice box, is an organ in the neck that serves as passageway for air during respiration and protects the trachea against aspiration of food. The larynx contains two pairs of infoldings of mucous membrane, the true vocal folds (true cords) and the false vocal folds (false cords), which meet posteriorly at an angle, called the posterior commissure. The true vocal folds are also called vocal ligaments, and, when viewed from the front, they appear to be thickened anterior edges of the false vocal folds. The space between the true and false vocal folds is the glottis.

The larynx is a cone-shaped organ located in the front of the neck. It houses the vocal cords, which are two bands of muscle tissue. The vocal cords produce sound by vibrating as air passes through them. The larynx also regulates airflow to the lungs by opening and closing the airway.

The larynx is an organ in the neck involved in breathing, producing sound, and protecting the trachea against aspiration. The larynx houses the vocal folds, which are used to produce sound through phonation. The shape of the vocal folds and the tension with which they are closed determines the fundamental frequency of a person's voice. The larynx also plays an important role in protecting the trachea against aspiration.

What Is Larynx

Larynx, also referred to as a voice container, a hole, tubular structure related to the pinnacle of the windpipe (trachea); air passes through the larynx on its way to the lungs. The larynx additionally produces vocal sounds and forestalls the passage of meals and other foreign debris into the decreased respiration tracts.

The larynx is composed of an outside skeleton of cartilage plates that forestalls collapse of the structure. The plates are fastened together by way of membranes and muscle fibers. The front set of plates, called thyroid cartilage, has a primary ridge and elevation commonly referred to as the Adam’s apple. The plates tend to be replaced by bone cells beginning from about 20 years of age onward.

The epiglottis, at the upper part of the larynx, is a flaplike projection into the throat. As food is swallowed, the complete larynx structure rises to the epiglottis in order that the passageway to the respiration tract is blocked. After the meal passes into the esophagus (food tube), the larynx relaxes and resumes its natural position.

The center portion of the larynx is reduced to slit-like openings in  web sites. Both web sites constitute big folds in the mucous membrane lining the larynx. The first pair is referred to as the false vocal cords, whilst the second is the authentic vocal cords (glottis). Muscles connected at once and in a roundabout way to the vocal cords allow the outlet and last of the folds. Speech is usually produced whilst air expelled from the lungs actions up the trachea and moves the bottom of the vocal cords, putting in place vibrations as it passes through them; uncooked sound emerges from the larynx and passes to the top cavities, which act as resonating chambers (or in some languages, inclusive of Arabic, as shapers of sound), and then passes through the mouth for articulation by means of the tongue, enamel, tough and gentle pilates, and lips. If the larynx is eliminated, the esophagus can function as the source for sound, but the control of pitch and quantity is missing.

In different varieties of animal life, sounds can be produced via the glottis, however in most, the potential to shape words is missing. Reptiles can produce a hissing sound via dashing air via the glottis, that is behind the mouth. Frogs produce their croaking sounds by way of passing air to and fro over the vocal folds; a couple of vocal sacs near the mouth serve as resonating chambers. In birds the larynx is a small shape in the front of the trachea; it serves most effectively to defend the air passage.

What is the respiratory system made of?

The respiratory system is made of many parts, including the nose, pharynx, larynx, trachea, bronchi, and lungs. The respiratory system does the work of breathing, which means taking in oxygen and getting rid of carbon dioxide. The air that we breathe in goes through the nose and into the pharynx. The pharynx is a tube that goes to the larynx, and the larynx is a tube that goes to the trachea.

The respiratory system is a collection of organs responsible for breathing. In humans and other mammals, the anatomy of a typical respiratory system includes the nose, pharynx, larynx, trachea, bronchi, and lungs. Air is brought into the respiratory system through the nose and mouth, where it is then filtered and moistened. The air then travels down the trachea, which branches into the left and right bronchi.

The respiratory system is made of the nose, mouth, throat, voice box, trachea, bronchi and lungs. The primary function of the respiratory system is to supply oxygen to the blood and remove carbon dioxide. This gas exchange process happens in the lungs where alveoli are clustered. The walls of the alveoli are one cell thick and are lined with tiny blood vessels called capillaries.

The breathing device has many exclusive elements that work together to help you breathe. Each institution of components has many separate components.

  1. Respiratory system

  1. Nasal cavity

  2. Pharynx

  3. Larynx

  4. Trachea

  5. Bronchioles and smaller air passages

  6. Lungs

  7. Muscles of breathing

The structure of the larynx in the human body

  1. The human throat houses many important structures in the body. The larynx is one of these structures; it is a hollow cartilaginous structure that serves as an opening for the trachea. The trachea is the airway that goes down to the lungs. The larynx is responsible for producing sound as well as keeping foreign matter from entering the trachea.

  2. The larynx is a cartilaginous structure in the human throat. It is also sometimes informally referred to as the voice box. The primary purpose of the larynx is to protect the trachea from foreign bodies that might otherwise be aspirated. The larynx is also responsible for producing sound, which is why it is sometimes called the voice box.

  3. The triangle-formed larynx is composed in large part of cartilages which can be attached to one another, and to surrounding systems, by using muscle tissues or with the aid of fibrous and elastic tissue components. The larynx is covered by way of a ciliated columnar epithelium besides for the vocal folds. The hollow space of the larynx extends from its triangle-shaped inlet, to the epiglottis, and to the circular outlet on the decrease border of the cricoid cartilage, wherein it is non-stop with the lumen of the trachea. The mucous membrane lining the larynx paperwork  pairs of lateral folds that task inward into its cavity. The top folds are referred to as the vestibular folds. They are also once in a while known as the false vocal cords for the as an alternative apparent motive that they play no component in vocalization. The lower pair of folds are referred to as the vocal cords, which produce sounds needed for speech and different vocalizations. The slit-like space between the left and right vocal cords, referred to as the rima glottidis, is the narrowest part of the larynx. The vocal cords and the rima glottidis are collectively distinctive because of the glottis. The laryngeal hollow space above the vestibular folds is referred to as the vestibule. The very middle part of the hollow space between the vestibular folds and the vocal cords is the ventricle of the larynx, or laryngeal ventricle. The infraglottic cavity is the open area under the glottis.

Your larynx is made of:

  • The cartilage that offers it structure.

  • Ligaments that join the areas of cartilage and fasten your larynx to nearby structures.

  • Membranes, which also help keep cartilage collectively.

  • Muscles, which pass your larynx at the same time as swallowing, assist with respiration and produce vocal sounds.

The anatomy of your larynx consists of:

  • Epiglottis: This flap of pores and skin covers the outlet of your larynx. It continues food and different debris from stepping into your respiration gadget.

  • False vocal cords: False vocal cords, or vestibular folds, near your larynx when you swallow in order that food doesn’t go into your trachea and lungs.

  • Thyroid cartilage: This piece of cartilage at the front of your larynx is often known as the Adam’s apple.

  • Vocal cords: Your vocal cords, or vocal folds, open, close and vibrate as air passes through to create sounds and speech.

What is the role of the larynx in the human body?

  1. The larynx is a small organ located just above the voice box in the human throat. Its primary function is to produce sound by allowing air to flow into and out of the lungs. Other functions of the larynx include ventilation of the lungs, controlling swallow and breathing during sleep, and producing sound during speech.

  2. Manipulation of the larynx is used to generate a source sound with a particular fundamental frequency, or pitch. This source sound is altered as it travels through the vocal tract, configured differently based on the position of the tongue, lips, mouth, and pharynx. The process of altering a source sound as it passes through the filter of the vocal tract creates the many different vowel and consonant sounds of the world's languages as well as tone, certain realizations of stress and other types of linguistic prosody. The larynx also has a similar function to the lungs in creating pressure differences required for sound production; a constricted larynx can be raised or lowered affecting the volume of the oral cavity as necessary in glottalic consonants.

  3. The vocal cords can be held close together (by adducting the arytenoid cartilages) so that they vibrate (see phonation). The muscles attached to the arytenoid cartilages control the degree of opening. Vocal cord length and tension can be controlled by rocking the thyroid cartilage forward and backward on the cricoid cartilage (either directly by contracting the cricothyroids or indirectly by changing the vertical position of the larynx), by manipulating the tension of the muscles within the vocal cords, and by moving the arytenoids forward or backward. This causes the pitch produced during phonation to rise or fall. In most males the vocal cords are longer and have a greater mass than most females' vocal cords, producing a lower pitch.

  4. The vocal apparatus consists of two pairs of folds, the vestibular folds (false vocal cords) and the true vocal cords. The vestibular folds are covered by respiratory epithelium, while the vocal cords are covered by stratified squamous epithelium. The vestibular folds are not responsible for sound production, but rather for resonance. The exceptions to this are found in Tibetan chanting and Kargyraa, a style of Tuvan throat singing. Both make use of the vestibular folds to create an undertone. These false vocal cords do not contain muscle, while the true vocal cords do have skeletal muscle.

What affects the health of the larynx in the human body?

  1. The larynx is a multi-purpose organ located in the throat that helps us with voice production. It’s important to keep it healthy for several reasons:     First, if the larynx is not functioning correctly, we can't produce the correct sounds. This can lead to problems with communication, such as difficulty understanding others or difficulty in knowing what others are saying.Second, if the larynx is not functioning correctly, it can cause breathing problems.

  2. In today’s society, we are constantly exposed to loud noises. Many people mistakenly believe that this is not a big deal, but this is not the case. Constant exposure to loud noises can have a significant impact on the health of the larynx. The larynx is an important part of the human body, and if it is not functioning properly, it can have serious consequences.

  3. Laryngitis, or laryngopharyngeal infection, is a respiratory infection of the throat. It is caused by a variety of respiratory viruses, and is most commonly caused by the rhinovirus. Symptoms of laryngitis include a sore throat, a fever, and a headache. Treatment generally involves rest and NSAIDs.

  4. The voice is one of the most important aspects of human life. It allows us to communicate and interact with others, and it can make or break a relationship. It is essential for both personal and professional life. Unfortunately, the health of the larynx can affect the voice in a number of ways.

  5. The larynx is a delicate organ that is essential for human survival. It is located in the neck and plays a vital role in speech production. The health of the larynx can impact the health of the human body in a number of ways.

Your larynx can be suffering from certain fitness conditions. The maximum common are:

  • Acute laryngitis: Laryngitis is irritation of the larynx. Short-time laryngitis may also contain a sore throat, hoarse voice, pain, coughing and every so often fever. It can be as a result of an infection or overuse of the vocal cords. It normally lasts for one or two weeks.

  • Chronic laryngitis: Long-term laryngitis lasts longer than three weeks. It can be caused by smoking, allergies or reflux.

  • Laryngeal cancer: Laryngeal most cancers may also require surgical operation to dispose of part or all the larynx (laryngectomy).

  • Trauma or injury: The larynx can be injured like another part of the frame. A not unusual damage is harm from overuse (as an example, a person who speaks, sings or shouts loads).

  • Vocal cord dysfunction: Vocal cord disorder takes place while the vocal cords don’t act or work typically.

  • Vocal twine lesions: The vocal cords can increase noncancerous lesions, nodules, polyps or cysts, specifically with overuse of the voice.

  • Vocal fold paralysis: Vocal fold paralysis is when one or each vocal folds do not pass well.

Maintaining the health of the larynx in the human body

The human larynx is a vital part of the body, responsible for the production of voice. It is essential that this organ is healthy in order for us to speak properly. There are a number of ways that the larynx can be harmed, and one of the most common is smoking. Smokers are three times more likely to experience laryngeal cancer than nonsmokers, and smoking is also a major cause of throat cancer.

The larynx is responsible for a lot of important functions in the human body. It is the organ that allows us to speak, sing, and yell. It is important to keep the larynx healthy so that it can do its job well. If the larynx is not functioning properly, it can lead to a lot of health problems.

Many strategies allow you to defend your larynx and voice, including:

  • Avoid screaming or whispering, both of which could position pressure for your voice. Consider a microphone if you need to make your voice bigger.

  • Avoid smoking and breathing in second-hand smoke.

  • Drink masses of water.

  • Limit medications and chemicals that may dry the vocal cords. Examples include some capsules for colds and allergic reactions and mouthwashes that comprise alcohol.

  • Limit highly spiced foods, which can cause reflux.

  • Rest your voice, especially in case you need to apply it plenty all through the day.

  • Use a humidifier, specially in wintry weather or in dry climates.

Rehabilitation of the tongue and pronunciation

  1. Rehabilitation of the tongue and pronunciation : Oral muscle rehabilitation

Oral muscle rehabilitation helps to reeducate the tongue and muscles in the mouth to aid in proper pronunciation. Many people with speech impediments have trouble with certain sounds, and this can cause frustration. For instance, someone with a lisp may have difficulty with the letter “s”, while someone with a stutter may have trouble with the letter “t”. There are many exercises that can be done to help with pronunciation, and a speech therapist can help you to find the ones that will work best for you.

  1.  Medical And Anatomical Concept Of The Human Body
  2.  Diseases Diagnosis and Treatment-A/Z
  3. Medical Specialties
  4. Organ surgery : Detailed explanation
  5. Diagnosis And Medical Examinations
Larynx : structure of the larynx, role of the larynx

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