What does Choanae mean?
What does Choanae mean?
: either of the pair of posterior apertures of the nasal cavity that open into the nasopharynx.
What is a nasopharynx?
(NAY-zoh-FAYR-inx) The upper part of the throat behind the nose. An opening on each side of the nasopharynx leads into the ear.
What are bones that formed Choanae?
Choana is a space bounded as follows: anteriorly and inferiorly by the horizontal plate of palatine bone, superiorly and posteriorly by the sphenoid bone laterally by the medial pterygoid plates.
How many Choanae are there?
What is choanal atresia? Choanal atresia seen during exam Choanal atresia is a congenital narrowing of the back of the nasal cavity that causes difficulty breathing. It is rare, occurring in approximately 1 in 7,000 live births, and is seen more often in females than in males.
What is choanal atresia?
Choanal atresia is a narrowing or blockage of the nasal airway by tissue. It is a congenital condition, meaning it is present at birth.
What is nasopharynx and its function?
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 is another name 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, oral-cavity, pleuron, peritoneum, trachea, mediastinum and parotid.
What is a Concha anatomy?
Nasal concha, also called Turbinate, or Turbinal, any of several thin, scroll-shaped bony elements forming the upper chambers of the nasal cavities. They increase the surface area of these cavities, thus providing for rapid warming and humidification of air as it passes to the lungs.
Which type of choanal atresia is more common?
Unilateral choanal atresia is more common, less serious, and sometimes appears later in childhood because the child has been able to manage while breathing through only one side of the nasal passage.
What is the definition of choana?
Medical Definition of choana : either of the pair of posterior apertures of the nasal cavity that open into the nasopharynx – called also posterior naris
What is the plural of choana?
A choana (plural: choanae) is one of the two apertures at the back of the nasal cavity that opens into the nasopharynx, the open space behind the nasal cavity in the airways . It is also known as the posterior nasal aperture, and the internal or posterior naris (plural: nares) . Nasal Choanae Anatomy and Boundaries.
What does choanal mean in medical dictionary?
Choanal: Pertaining to the choana, the passageway from the back of one side of the nose to the throat. The choana is shaped like the opening of a train tunnel in a mountain which then opens into the space called the nasopharynx. The choanae must be open to permit breathing through the nose.