Search results
The choanae (sg.: choana), posterior nasal apertures or internal nostrils are two openings found at the back of the nasal passage between the nasal cavity and the pharynx, in humans and other mammals (as well as crocodilians and most skinks).
Mar 13, 2024 · Choana. 1/6. Synonyms: Posterior nasal aperture. The choanae are oval-shaped openings that lie between the nasal cavity and the nasopharynx. The choanae are rigid openings that are completely surrounded by bone. They serve as an outflow from the nasopharynx into the mouth and throat.
Jan 25, 2018 · Choanae are the openings at the back of the nasal cavity that connect to the nasopharynx. Learn about their anatomy, function, and associated condition choanal atresia.
Dec 22, 2022 · Choana is a small opening at the back of the nasal cavity that allows air to pass between the nose and the throat. Learn about its structure, location, function, and common conditions that can affect it, such as nasal polyps, deviated septum, and sinusitis.
Choana are the posterior nasal aperture, separated by the vomer. It is the opening between the nasal cavity and the nasopharynx. See the anatomical structure and related terms of choana on e-Anatomy.
Choana is a medical term for either of the two openings of the nose that connect to the throat. Learn more about the anatomy, function and variations of choana with Merriam-Webster Medical Dictionary.
Nov 4, 2004 · The choana, a unique ‘internal nostril’ opening from the nasal sac into the roof of the mouth, is a key part of the tetrapod (land vertebrate) respiratory system.
