lagena

American  

[luh-jee-nuh] / ləˈdʒi nə /

noun

Zoology.

plural

lagenae

1. an outpocketing of the saccule of birds, reptiles, and bony fishes corresponding to the cochlear duct of mammals.

---

lagena British  

/ ləˈdʒiːnə /

noun

1. a bottle with a narrow neck

2. an outgrowth of the sacculus in the ear of fishes and amphibians, thought to be homologous to the cochlea of mammals

---

Etymology

Origin of lagena

< New Latin, special use of Latin lagēna flask, flagon; cognate with Greek lágȳnos

Example Sentences

The inner ear, which contains the sense organs, consists of a membranous bag, the chief parts of which are the utriculus, the sacculus, the lagena, and the three semicircular canals.

From Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. by Münsterberg, Hugo

The cavity of this membranous labyrinth is filled with a fluid, the endolymph; and within the utriculus, sacculus and lagena are masses of inorganic matter called the otoliths.

From Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. by Münsterberg, Hugo