bone in the throat anatomy


It also prevents the accumulation of saliva and helps in the process of digestion. © 1998-2020 Mayo Foundation for Medical Education and Research (MFMER). The Throat Anatomy is such that these foreign bodies are encountered before they lead to anything serious. If the uvula fails to completely cover the nasopharynx while swallowing, the excess food can enter the nasal cavity thereby leading to a nasal regurgitation of the food. Although rare, another serious complication arising with the tonsils is cancer. The uvula appears oval in shape and resembles a teardrop.
(adsbygoogle = window.adsbygoogle || []).push({}); Some of the common problems affecting this part of the. Some support is also offered by the vagus nerve that lies alongside the larynx. Furthermore, the tiny fringes keep on pulsating in order to keep the throat devoid of mucus. This is mostly a result of the cricopharyngeal hyperactivity and the uncoordinated peristalsis. The pharyngobasilar fascia is quite thick when it starts from the base of the skull. Since the epiglottis folds itself across the trachea at the time of swallowing, the contents are directly passed on to the esophagus. These muscles have a mucous membrane covering them. Hence, the position of the epiglottis keeps changing between the larynx and the pharynx depending on whether you are swallowing or breathing.

The nasopharynx is the uppermost part of the pharynx and extends down from the base of the skull to the nasal passages, hence the name. Tonsils refer to the pair of soft lymphatic tissue lumps that lie at the back of the throat.


It is posteriorly attached to the prevertebral fascia and the styloid process and laterally attached to the carotid sheath. Picture Source : upload.wikimedia.org, The nasopharynx starts at the back of the nasal cavity and ends at the soft palate. The vocal cords are covered by a thin membrane that keeps oscillating. The hypopharynx starts at the hyoid bone and ends at the upper esophageal sphincter. The throat is one of the most complex parts of the human body. Right above the vocal cords lie the vestibular folds that are also known as the false vocal folds. Picture Source : www.ncbi.nlm.nih.gov, On this web page, you can find a very interesting slide show of the neck which can show you various tissues that have been discussed in the article you just read. The constricting muscles in this area are the middle and inferior constrictors which are also covered with an overlying mucous membrane.

The throat is responsible for performing a large number of functions, namely the swallowing, speaking and breathing. It is known as Uvula namely because its shape forms an outline of the alphabet U. Hyoid Bone Anatomy. Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission.

These cartilages offer support to the larynx and also help in retaining the shape of the skeleton in the area. The throat is positioned in the anterior part of the neck. These thick layers of skin help in protecting the vocal cords and help in producing deeper vocal tones like that hear during chanting. The lingual bone is part of the hyoid-larynx complex – the combined structures of the hyoid and its ligaments, and the thyroid, cricoid, and arytenoid cartilages and their ligaments. Anne Asher, ACE-certified personal trainer, health coach, and orthopedic exercise specialist, is a back and neck pain expert. In this article, you will read about each specific area of the throat as well as its surrounding structures. Picture 2 : The dark like at the front edge of the neck which shows where the throat is. During tracheitis, the entire trachea gets inflamed giving rise to a lot of pain. Check out these best-sellers and special offers on books and newsletters from Mayo Clinic.

Sinus Tarsi Syndrome (STS) Symptoms, Causes, Treatments, The U.S. Is More Interested In Holistic Health Than Ever Before, The U.S. Is More Interested In Holistic …, How Does Psychoanalytic Perspective Treatment Works, How To Handle Common Dental Emergencies – …, The Real Risks of Long-Term Asbestos Exposure, Infection caused due to bacteria and viruses. Mayo Clinic does not endorse companies or products. It starts from the pharynx and extends to the upper end of the esophagus. The trachea is made up of C shaped rings that are made up of muscles and cartilage. At the time of swallowing, these muscles become rigid and seal the opening that leads to the trachea. Lymphoid tissues of the same type are also found in the upper part of the pharynx as well as around the base of the tongue. The pharynx is located at the top of the air passage in the posterior part of the nasal passages and the mouth. These structures are shaped in a ring or a muscular tube. The adenoids are an integral part of the immune system and help the body to fight against various infections arising out of the attacking viruses and bacteria that mainly enter the body during inhalation. Since the adenoids gradually reduce in size starting from childhood, they are not generally associated with health issues and complications. However, it is a different part located above the esophagus, trachea and the larynx.

It is the antibodies and cells that are present in the tonsil that helps in the fighting off these malicious foreign microbes. Pharynx also has a role in the production of sound while speaking and singing. The laryngopharynx is that part which is located towards the bottom of the oropharynx and extends from the larynx up to the epiglottis. However, if the condition gets serious, it is advisable to visit a doctor. Free E-newsletter Subscribe to Housecall. The. The throat is responsible for performing a large number of functions, namely the swallowing, speaking and breathing. Picture 2 : The dark like at the front edge of the neck which shows where the throat is. If the problems are only minor, you can opt for home remedies and wait for a few days to see if it gets resolved before consulting the doctor. Each of these parts in the Throat anatomy has been discussed in detail in the following sections: Adenoids is the term given to the lymphatic tissue collection. This may arise out of irritants as well as infections. However, the foreign microorganisms, mainly bacteria, and virus may also use the same passage for entering the body, thereby leading to infections. Below the larynx are the vocal cords which is a pair of muscular bands. With the help of these cells, the trachea traps all the foreign particles that enter the body through the oral and nasal passages. However, the patient may also experience other symptoms such as regurgitation, aspiration, weight loss and cough.

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