What is the nasopharyngeal region?
The nasopharynx is the upper part of the throat (pharynx) that lies behind the nose. It’s a box-like chamber about 1½ inches on each edge. It lies just above the soft part of the roof of the mouth (soft palate) and just in back of the nasal passages.
What does the nasopharynx contain?
The nasopharynx connects the nasal cavity to the oropharynx and contains the Eustachian tube openings and adenoids.
What are the anatomical boundaries of the nasopharynx?
Normal Anatomy The boundaries of the nasopharynx are as follows: superiorly, the floor of the sphenoid sinus and the clivus; anteriorly, the nasal choanae; inferiorly, the oropharynx; posteriorly, the prevertebral musculature covering C1; and laterally, the parapharyngeal space (PPS) (Fig. 13-1).
What’s a nasopharynx?
(NAY-zoh-FAYR-inx) The upper part of the throat behind the nose.
What is nasopharynx and oropharynx?
Your nasopharynx is located toward the bottom and back of your skull. It’s in the back of your nose and the roof of your mouth. The top of your nasopharynx connects to your nasal cavity. The bottom connects to your oropharynx (middle throat), leading to your hypopharynx (lower throat), trachea and eventually lungs.
When does nasopharynx become oropharynx?
The pharynx is divided into oropharynx and nasopharynx The opening of the mouth into the pharynx is the oropharynx, and the nasal opening is the nasopharynx. The eustachian tube from the middle ear (see Chapter 10, p. 167) opens into the pharynx on each side.
What separates nasopharynx and oropharynx?
The soft palate divides the pharynx into the nasopharynx dorsally and the oropharynx ventrally. The oropharynx is divided into the isthmus of fauces (throat opening) and a laryngeal part.
What is the inferior boundary of the nasopharynx?
Boundaries. anteriorly: posterior nares and posterior margin of nasal septum 1,2. inferiorly: soft palate 2. superiorly: basisphenoid and basiocciput 1,2. roof of the nasopharynx is called the vault (or fornix) of the pharynx, where the mucosa firmly attaches to the sphenoid and pharyngobasilar fascia.
What is the prefix for nasopharynx?
The word “nasopharynx” is a hybrid — part Latin, part Greek. “Naso-” is a prefix that has to do with the nose. It comes from the Latin “nasus” for the nose (or snout). “Pharynx” is the Greek word for throat.
What is the laryngopharynx?
The laryngopharynx, also referred to as the hypopharynx, is the most caudal portion of the pharynx and is a crucial connection point through which food, water, and air pass. Specifically, it refers to the point at which the pharynx divides anteriorly into the larynx and posteriorly into the esophagus.
What’s the difference between nasopharynx and oropharynx?
Nasopharynx: The top part of the throat connects to the nasal cavities (nose) and lets air pass through. Oropharynx: The middle part of the throat connects to the oral cavity (mouth). It allows air, food and fluid to pass through.
What is the upper section of the pharynx called?
The upper portion of the pharynx, the nasopharynx, extends from the base of the skull to the upper surface of the soft palate. It includes the space between the internal nares and the soft palate and lies above the oral cavity.
What are the 7 openings in the pharynx?
Terms in this set (27)
- pharyngeal tonsil (adenoids)
- auditory tube (Eustachian or pharyngotympanic tube)
- torus tubarius.
- salpingopalatine fold.
- salpingopharyngeal fold.
- torus levatorius.
- pharyngeal recess.
- pharyngeal isthmus.
What is posterior to the nasopharynx?
The nasopharynx is the portion of the pharynx that is posterior to the nasal cavity and extends inferiorly to the uvula. The oropharynx is the portion of the pharynx that is posterior to the oral cavity.
What is the prefix of pharynx?
Pharyngo– is a combining form used like a prefix meaning “pharynx.” The pharynx is the tube or cavity that connects the mouth or nasal passages with the esophagus. Pharyngo– is occasionally used in medical terms, especially in pathology.
What is another term for nasopharynx?
In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for nasopharynx, like: pharynx, laryngopharynx, oropharynx, nasal-cavity, hypopharynx, pleuron, peritoneum, trachea, mediastinum, parotid and medullary.
Is laryngopharynx same as larynx?
Laryngopharynx (or hypopharynx): The bottom part of the throat is near the larynx (or voice box). It regulates the passage of air to the lungs and food and fluid to the esophagus.
What is Pyriform Fossae?
The pyriform sinus (also spelled piriform sinus and also known as the pyriform recess, pyriform fossa, and smuggler’s fossa) is the pear-shaped subsite of the hypopharynx located posterolaterally to either side of the laryngeal opening.