utriculus


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Related to utriculus: Utriculus prostaticus

u·tri·cle

(yū'tri-kĕl),
1. A small sac or pouch. A dilated portion of the membranous labyrinth receiving the ampullae of the semicircular canals; contains an area of sensory epithelium, the macula utriculi.
2. Synonym(s): utricle of vestibular labyrinth
Synonym(s): sacculus communis, utriculus (1)
[L. diminutive form of uter, leather bag]

utriculus

(yo͝o-trĭk′yə-ləs)
n. pl. utricu·li (-lī′) Biology
A sac or pouch.

u·tri·cle

(yū'tri-kĕl)
1. A small sac or pouch.
2. The larger of the two membranous sacs in the vestibule of the membranous labyrinth of the internal ear, lying in the elliptic recess; from it arise the semicircular ducts.
Synonym(s): utriculus [TA] .
[L. diminutive form of uter, leather bag]

ves·tib·u·lar or·gan

(ves-tib'yū-lăr ōr'găn)
Collective term for the utricle, saccule, and semicircular ducts of the membranous labyrinth; each has a patch of ciliated receptor epithelium innervated by the vestibular nerve.
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References in periodicals archive ?
The flower is subtended by the spikelet prophyll, which forms an utriculus that envelops flower, rachilla and distal glume (Fig.
A floral ontogenetic approach to questions of homology within the Cyperoideae (Cyperaceae)
In affected patients, motion of the head and/or eyes can stimulate the utriculus vestibuli and cause a vertiginous episode of approximately 1 minute; such episodes are sometimes followed by disequilibrium.
Benign paroxysmal positional vertigo and other vestibular symptoms in Meniere disease
The space for the utriculus and sacculus is not more than a small connection to the area in which the cochlear duct is located.
Anatomy and development of the bony inner ear in the woolly opossum, Caluromys philander (Didelphimorphia, Marsupialia)
(1987) showed that Cherbonniera utriculus has a gonad with fewer than 10 small, even-sized tubules.
Ovarian development in the class holothuroidea: a reassessment of the 'tubule recruitment model'

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