a nasal opening situated towards the back of the nasal cavity in vertebrates
These 'growths' may be found within the distal intestine and cloaca, and in the mouth,choana, and epiglottis.
Examples of 'choana' in a sentence
choana
An endotracheal tube stent was inserted through the right choana while no stent was used for the left side.
Erdem Gur 2014, 'Comparison of Two Different Treatment Modalities on a Bilateral Congenital ChoanalAtresic Case', Journal of Clinical and Analytical Medicinehttp://www.jcam.com.tr/files/JCAM-4126.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The other 2 patients, after 18 and 23 months of achieving a patent choana, showed normal nasal cavities.
Ezzeddin Elsheikh, Mohammad Waheed El-Anwar, Hesham Radwan Abdel-aziz 2017, 'Impact of Successful Choanal Atresia Repair on the Nasal Mucosa: A Preliminary Study',International Archives of Otorhinolaryngologyhttp://www.thieme-connect.de/DOI/DOI?10.1055/s-0037-1601404. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)