otocyst

English

Etymology

From oto- +‎ cyst.

Noun

otocyst (plural otocysts)

1. (invertebrate zoology) An organ involved in balance and orientation.
   • 1898, E. P. Lyon, “The Functions of the Otocyst”, in The Journal of Comparative Neurology, volume 8:

     If the otocysts were removed from these animals, they swam normally and no peculiarities were observed in their behavior.

2. (vertebrate embryology) The precursor of the inner ear.

Translations

balance organ in invertebrates

precursor to the inner ear in vertebrates