from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small organ of balance in many invertebrates, consisting of a fluid-filled sac containing statoliths that stimulate sensory cells and help indicate position when the animal moves. Also called otocyst.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A balance organ present in some aquatic invertebrates, consisting of a sac-like structure containing a statolith and numerous innervated setae.
from The Century Dictionary and Cyclopedia
- n. An organ in certain animals, such as crustaceans and jellyfishes, which enables its owner to orient itself in a definite position with respect to gravity.
Sorry, no etymologies found.