choana Anat.
(ˈkəʊənə)
Pl. -næ (-niː).
[mod.L., a. Gr. χοάνη funnel.]
A funnel-like opening; applied to the posterior nasal orifices in vertebrates.
| 1878 Macalister Syst. Zool. 13 The pair of maxillary lobes usually unite in the middle line, leaving behind them openings into the nasal cavities (choanæ). 1895 H. & M. Bernard tr. Wiedersheim's Struct. Man. 61 The choanæ of the Veddah's skull are..half a centimetre lower than in the European. 1958 J. M. Yoffey in W. J. Hamilton et al. Textbk. Human Anat. 407 The choanae are oval in shape, being about 1 inch high and ½ inch wide. |