- secondary choana
- the definitive choana after the formation of the palate.
Medical dictionary. 2011.
Medical dictionary. 2011.
choanae — The opening into the nasopharynx of the nasal cavity on either side. SYN: posterior nasal apertures, isthmus pharyngonasalis, posterior nares, postnaris. [Mod. L. fr. G. choane, a funnel] primary choana … Medical dictionary
nostril — SYN: naris. internal n. SYN: secondary choana. * * * nos·tril näs trəl n 1) either of the external nares broadly either of the nares with the adjoining passage on the same side of the nasal septum 2) either fleshy lateral wall of the nose * * *… … Medical dictionary
Lungfish — For the band, see Lungfish (band). Lungfishes Temporal range: Early Devonian–Recent … Wikipedia
crest — 1. A ridge, especially a bony ridge. SEE ALSO: crista. 2. The ridge of the neck of a male animal, especially of a stallion or bull. 3. Feathers on the top of a bird s head, or fin rays on the top of a fish s head. SYN: crista [TA]. [L. crista] … Medical dictionary
Outline of human anatomy — See also: Index of anatomy related articles Human anatomy, a branch of anatomy, is the scientific study of the morphology of the adult human. It is subdivided into gross anatomy and microscopic anatomy. Gross anatomy (also called topographical… … Wikipedia