Definitions for sacculeˈsæk yul
This page provides all possible meanings and translations of the word saccule
a small sac or pouch (especially the smaller chamber of the membranous labyrinth)
The smallest chamber of the membranous labyrinth of the ear.
Origin: From sacculus, diminutive of saccus.
a little sac; specifically, the sacculus of the ear
Origin: [L. sacculus, dim. of saccus sack.]
The saccule is a bed of sensory cells situated in the inner ear. The saccule translates head movements into neural impulses which the brain can interpret. The saccule is sensitive to linear translations of the head, specifically movements up and down. When the head moves vertically, the sensory cells of the saccule are disturbed and the neurons connected to them begin transmitting impulses to the brain. These impulses travel along the vestibular portion of the eighth cranial nerve to the vestibular nuclei in the brainstem. The vestibular system is important in maintaining balance, or equilibrium. The vestibular system includes the saccule, utricle, and the three semicircular canals. The vestibule is the name of the fluid-filled, membranous duct than contains these organs of balance. The vestibule is encased in the temporal bone of the skull.
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