utricle


utricle
SYN: utriculus [TA], sacculus communis.
- prostatic u. [TA] a minute pouch in the prostate that opens on the summit of the seminal colliculus, the analog of the uterus and vagina in the female, being the remains of the fused caudal ends of the paramesonephric ducts. SYN: utriculus prostaticus [TA], masculine uterus, Morgagni sinus (2), sinus pocularis, uterus masculinus, vagina masculina, vesica prostatica, Weber organ.
- u. of vestibular labyrinth [TA] the larger of the two membranous sacs in the vestibule of the labyrinth, lying in the elliptical recess; from it arise the semicircular ducts.

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utri·cle 'yü-tri-kəl n a small anatomical pouch: as
a) the part of the membranous labyrinth of the ear into which the semicircular canals open called also utriculus
b) PROSTATIC UTRICLE
utric·u·lar yu̇-'trik-yə-lər adj

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n.
1. the larger of the two membranous sacs within the vestibule of the ear: it forms part of the membranous labyrinth. It is filled with fluid (endolymph) and contains a macula. This responds to gravity and relays information to the brain about the position of the head.
2. a small sac (the prostatic utricle) extending out of the urethra of the male into the substance of the prostate gland.

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utri·cle (uґtrĭ-kəl) [L. utriculus] 1. any small sac. 2. utriculus (def. 2).

Medical dictionary. 2011.

Synonyms:

Look at other dictionaries:

  • Utricle — ( pouch ) can refer to: * Utricle (ear) * Prostatic utricle * a fruit type, similar to achene, found in beet and dock …   Wikipedia

  • Utricle — U tri*cle, n. [L. utriculus a little womb, a calycle, dim. of uter, utris, a bag or bottle made of an animal s hide: cf. F. utricule.] [1913 Webster] 1. A little sac or vesicle, as the air cell of fucus, or seaweed. [1913 Webster] 2. (Physiol.) A …   The Collaborative International Dictionary of English

  • utricle — [yoo trik′yə ləs] n. pl. utriculi [yo͞o trik′yəlī΄yo͞o′tri kəl] n. [< Fr or L: Fr utricule < L utriculus, little bag or bottle, dim. of uter, leather bag, wineskin, prob. via Etr < Gr hydria, water bag, jug < hydor, WATER] a small sac …   English World dictionary

  • utricle — noun a) One of two otolith organs located in the vertebrate inner ear (the other being the saccule). b) The prostatic utricle …   Wiktionary

  • utricle — utriculus; n. 1) the larger of the two membranous sacs within the vestibule of the ear: it forms part of the membranous labyrinth. It is filled with fluid (endolymph) and contains a macula. This responds to gravity and relays information to the… …   The new mediacal dictionary

  • utricle — noun Etymology: Latin utriculus, diminutive of uter leather bag Date: 1731 any of various small pouches or saccate parts of an animal or plant: as a. the part of the membranous labyrinth of the inner ear into which the semicircular canals open b …   New Collegiate Dictionary

  • utricle — utriculus …   Dictionary of ichthyology

  • utricle — n. [L. dim. uter, bag] A small bag or bladder …   Dictionary of invertebrate zoology

  • utricle — /yooh tri keuhl/, n. 1. a small sac or baglike body, as an air filled cavity in a seaweed. 2. Bot. a thin bladderlike pericarp or seed vessel. 3. Anat. the larger of two sacs in the membranous labyrinth of the internal ear. Cf. saccule (def. 1).… …   Universalium

  • utricle — u|tri|cle Mot Pla Nom masculí …   Diccionari Català-Català


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