Anatomy Of Hypopharynx

The laryngeal part of the pharynx laryngopharynx. The pharynx the pharynx is called the hypopharynx.

Hypopharynx Anatomy Britannica

Anatomy of the hypopharynx.

Anatomy of hypopharynx. Three subsites of the hypopharynx are described being pertinent to localize where squamous cell carcinoma arises. The hypopharynx is an inferior continuation of the pharynx. Any use of this image is subject to prevailing copyright.

The postcricoid area the posterior pharyngeal wall and the pyriform sinuses fig. It lies inferior to the epiglottis and extends to the location where this common pathway diverges into the respiratory laryngeal and digestive oesophageal pathways. Pars laryngea pharyngis also known as hypopharynx is the caudal part of the pharynx.

It may also spread to the lymph nodes in the neck the carotid artery the tissues around the upper part of the spinal column the lining of the chest cavity and to other parts of the body not shown. It is the part of the throat that connects to the esophagus. In front it presents the triangular entrance of the larynx the base of which is directed forward and is formed by the epiglottis while its lateral boundaries are constituted by the aryepiglottic folds.

The hypopharynx is divided into three subsites. Air from the nasal cavity flows into the larynx and food from the. The hypopharynx ie laryngopharynx is the portion of the upper aerodigestive tract that extends from the hyoid bone superiorly and extends inferiorly to the inferior aspect of the cricoid cartilage.

The medial walls of the pyriform sinuses are formed by the aryepiglottic folds. The hypopharynx is the area immediately below the posterior of the mouth called the oropharynx and it also is below the area posterior to the nose called the nasopharynx. It can also however be correctly described as the area immediately above the openings of both the windpipe and the esophagus better known as the food tube.

22 28 above the hyoid bone is the oropharynx. Lying directly above the larynx it represents the site where the pathways of air and food cross each other. The pharynx is essentially a muscular tube suspended from the skull base and it is useful to recall the general anatomy of the upper pharynx when thinking about its lowermost segment the hypopharynx.

The pyriform sinuses may be imagined as inverted cone shaped outpouchings of the hypopharynx lateral to the larynx. Yes this image is copyright protected. Below the cricoid cartilage the hypopharynx becomes the cervical esophagus.

Hypopharynx reaches from the hyoid bone to the lower border of the cricoid cartilage where it is continuous with the esophagus. In human respiratory system. Its anterior wall is formed by the posterior part of the tongue.

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