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Etymology edit

Borrowing from New Latin choana, from Ancient Greek χοᾰ́νη (khoánē, funnel), from χέω (khéō, to pour) +‎ -ᾰ́νη (-ánē, suffix for utensil names).

Pronunciation edit

Noun edit

choana (plural choanae)

  1. A funnel or funnel-shaped opening; an infundibulum.
  2. (anatomy, zootomy) A pair of apertures towards the back of the nasal cavity, opening into the nasopharynx.
    Synonyms: internal nostril, posterior naris, posterior nasal aperture
    • 1986, William E. Duellman, Biology of Amphibians[1], page 409:
      The choanal glands of caecilians open at the margin of the choanae, whereas those of salamanders open deep within the choanae at the margin of the olfactory epithelium.
    • 1989, Johannes Lang, translated by P. M. Stell, Clinical Anatomy of the Nose, Nasal Cavity and Paranasal Sinuses[2], page 103:
      Zuckerkandl (1893) gives far and away the greatest measurements for the choanae; Hopmann (1895) reported that in man the choana has a mean height of 27 mm, and a mean width of 13 mm (Merkel, 1896); in women it measures 25 x 12mm. These values agree closely with our findings.
    • 2006, José María Carrera, Asim Kurjak, Donald School: Atlas of Clinical Application of Ultrasound in Obstetrics and Gynecology[3], India: Jaypee Brothers, page 14:
      Inside of this area it is possible to identify clearly two parallel echonegative zones, which belong to the nasal cavities (choanas) and are placed on both sides of a medial structure, considerably echogenic, which corresponds to nasal bridge (Fig. 2.12.)
    • 2008, Peter-John Wormald, Endoscopic Sinus Surgery[4], 2nd edition, page 111:
      The bony rim of the posterior choana is located by passing the 4-mm microdebrider blade through the posterior ethmoids and into the nasopharynx. The tip of the microdebrider blade is pushed against the mucosa just above the bony choanae on the anterior face of the sphenoid.

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Latin edit

Etymology edit

Borrowing from Ancient Greek χοᾰ́νη (khoánē, funnel), from χέω (khéō, to pour) +‎ -ᾰ́νη (-ánē, suffix for utensil names).

Pronunciation edit

Noun edit

choana f (genitive choanae); first declension (New Latin)

  1. a funnel
  2. (anatomy) a choana
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Inflection edit

First-declension noun.

Case Singular Plural
Nominative choana choanae
Genitive choanae choanārum
Dative choanae choanīs
Accusative choanam choanās
Ablative choanā choanīs
Vocative choana choanae

Descendants edit

  • English: choana