Choana

Quick meaning: Choana is a noun meaning A funnel; a funnel-shaped opening.

Meaning

A funnel; a funnel-shaped opening.

More Meanings

1. (anatomy, zootomy) A pair of apertures towards the back of the nasal cavity, opening into the nasopharynx.

Example Sentences

Near-synonyms: infundibulum, pelvis, cornu

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.

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.)

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.

Word Forms

• choanae

Synonyms for choana

Depending on context, synonyms include infundibulum, pelvis, cornu.

Related Words

Related dictionary entries include infundibulum, foramen, ampulla, infundibuloma, nephrostome, aditus.

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