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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.


(Zoology) an organ of balance in some invertebrates, such as crustaceans, that consists of a sensory vesicle containing small granules. See statolith


(ˈstæt əˌsɪst)

an organ of equilibrium in certain invertebrates, consisting of a fluid-filled sac enclosing sensory hairs and particles of lime or sand.
References in periodicals archive ?
Those taking part included Mac Walton, seven, who suffers from Enlarged Vestibula Aquaduct Syndrome, a rare condition which damages hearing by allowing too much endolymph fluid to flow into the hearing and balance organs.
According to the researchers, years of training can enable dancers to suppress signals from the balance organs in the inner ear.
Squid use calcium carbonate crystals to make balance organs, called statoliths, that provide the ability to orient themselves when swimming.
Eyelid problems uBalance problems, bilateral semicircular canal aplasia (absence of balance organs in both ears)
The fact that your dizziness is made worse by moving your head suggests that a problem with the balance organs in your ear may be the cause.
And the experience reveals how the balance organs let the brain know when the body is being moved around and even turned upside down.
Air sickness and seasickness are the result of different messages from your eyes and balance organs going to the brain.
ATHE sudden onset of these symptoms in a person of your age is most likely to be a viral infection affecting the balance organs of your inner ear.
The inner ear contains the heating and balance organs.