What is the fossa of Rosenmuller?
The fossa of Rosenmüller is a bilateral projection of the nasopharynx just below the skull base. It is also called the lateral pharyngeal recess or simply the pharyngeal recess. The fossa is covered by nasopharyngeal mucosa and is the most common site of origin of nasopharyngeal carcinoma (NPC).
Where is the pharyngeal fossa?
The pharyngeal fossa or foveola pharyngica is a variant oval or round depression within another inconstant bony excavation, the fossa navicularis, on the ventral surface of the basioccipital clivus.
What are the features of nasopharynx?
The nasopharynx is located posterior to the nasal cavity which is lined by pseudostratified columnar epithelium. It communicates with the nasal cavities through the nasal choanae and with the middle ear through the eustachian tube. It also contains the pharyngeal tonsils (adenoids) in its posterior wall.
What is present in the nasopharynx?
The nasopharynx represents the most superior portion of the pharynx, bounded superiorly by the skull base and inferiorly by the soft palate. The nasopharynx connects the nasal cavity to the oropharynx and contains the Eustachian tube openings and adenoids.
What is done when a nasopharyngeal cyst is found?
Most cysts are small and asymptomatic, but if they grow or become infected, they may cause nasal obstruction, postnasal drip, halitosis, occipital headache, neck stiffness and eustachian tube dysfunction. When the cyst is large or symptomatic, surgery by excision or marsupialization is the treatment option.
What is the function of Salpingopharyngeus?
The salpingopharyngeus is known to raise the pharynx and larynx during deglutition (swallowing) and laterally draws the pharyngeal walls up. In addition, it opens the pharyngeal orifice of the pharyngotympanic tube during swallowing.
What are the three types of pharynx?
The pharynx is divided into three regions according to location: the nasopharynx, the oropharynx, and the laryngopharynx (hypopharynx).
What are the 3 parts of pharynx?
The throat (pharynx) is a muscular tube that runs from the back of your nose down into your neck. It contains three sections: the nasopharynx, oropharynx and laryngopharynx, which is also called the hypopharynx.
What is the main function of nasopharynx?
Nasopharynx: It is situated in the space between the back of the nose and soft palate. It is continuous with the nasal cavity and forms the upper part of the respiratory system. It plays an important role in transferring air from the nose to the larynx.
What structures make up the nasopharynx?
The nasopharynx is a cuboidal structure bounded by the sphenoid bone superiorly, the posterior choanae anteriorly, the clivus and the first two cervical vertebrae posteriorly, and the soft palate inferiorly.
How rare is a Thornwaldt cyst?
Tornwaldt cyst (TC) is a relatively rare but benign disease. It is a developmental lesion within the midline of the nasopharynx [1]. An incidence of 1.4–3.3% was reported by some authors in the literature [2,3].
Where is the fossa of Rosenmuller located in the body?
The fossa of Rosenmüller, also known as the posterolateral pharyngeal recess, is the most common site of origin for nasopharyngeal carcinoma. It is located superior and posterior to the torus tubarius (the posterior projection of the cartilaginous portion of the Eustachian tube) and is formed by mucosal reflection over the longus colli muscle 2.
Where is the fossa located in the middle ear?
The fossa of Rosenmuller is responsible for linking the middle ear with the larynx. The fossa of Rosenmuller, or Rosenmuller’s fossa, is a long, deep, shallow and narrow depression found in one of the furthest sections of the nasal cavity. It sits behind the ostium, or opening, of the auditory tube.
What is the fossa of the Eustachian tube?
In this image, you will find a Eustachian tube, Fossa of rosenmuller, Nasopharyngeal tonsil, Nasopharynx, Oropharynx, Esophagus, Soft palate, Lingual tonsil, Palatine tonsil, Larynx in it. Our LATEST youtube film is ready to run.
Where is the fossa located in the nasal cavity?
The fossa of Rosenmuller, or Rosenmuller’s fossa, is a long, deep, shallow and narrow depression found in one of the furthest sections of the nasal cavity. It sits behind the ostium, or opening, of the auditory tube.
