Definition of sacculus in English:
1The smaller of the two fluid-filled sacs forming part of the labyrinth of the inner ear (the other being the utriculus). It contains a region of hair cells and otoliths that send signals to the brain concerning the orientation of the head.
- The maculae consist of rather shapeless compartments known as the sacculus and utriculus.
- A characterization of the ion channels which make a hair cell electrically resonant was obtained via studies of the bullfrog sacculus, a receptor for ground-borne vibration and low-frequency sound.
- Because the sacculus is buried deep within the ear, Todd and his colleagues could not measure its reaction to sound directly.
1.1 another term for saccule.
- Next to these developing scars, enlarged alveolar sacculi with loss of septae and bronchiolization were observed.
- Sacculus formation is common, but rupture of a sacculus is very rare.
- Ultrasonography is used for the diagnosis and follow-up of the progression of the uterine sacculus until its disappearance.
mid 18th century: from Latin, diminutive of saccus 'sack'.
Definition of sacculus in:
- British & World English dictionary
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