utricle /utri·cle/ (u´tri-k'l)
utricle
1. any small sac.
2. the larger of the two divisions of the membranous labyrinth of the internal ear.
prostatic utricle , urethral utricle a small blind pouch in the substance of the prostate.
u·tri·cle 1 (y  tr -k l)n. A membranous sac contained within the labyrinth of the inner ear and connected with the semicircular canals. |
| utricle 2 n. A small vestigial blind pouch of the prostate gland; the prostatic utricle. |
utricle
[yo̅o̅′trikəl]
Etymology: L, utriculus, small bag
1 a small sac.
2 the larger of two membranous pouches in the vestibule of the membranous labyrinth of the inner ear. It is an oblong structure that communicates with the semicircular ducts by five openings and receives utricular filaments of the vestibular branch of the vestibulocochlear nerve. Compare saccule.
utricle
1. any small sac.
2. the larger of the two divisions of the membranous labyrinth of the inner ear. Called also utriculus.
prostatic utricle, urethral utricle
a small blind pouch in the substance of the prostate.
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