utricle(redirected from utriculi)
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Any of various bladderlike structures in a plant or animal, especially:
a. A membranous sac contained within the labyrinth of the inner ear and connected with the semicircular canals.
b. A small bladderlike one-seeded indehiscent fruit, as in an amaranth plant.
[Latin utriculus, small leather bottle, diminutive of uter, utr-, leather bottle, possibly from Greek hudriā, water vessel, from hudōr, water; see wed- in Indo-European roots.]
A small vestigial blind pouch of the prostate gland.
[Latin utriculus, a sac (in the body), diminutive of uterus, uterus.]
n, pl utricles or utriculi (juːˈtrɪkjʊˌlaɪ)
1. (Anatomy) anatomy the larger of the two parts of the membranous labyrinth of the internal ear. Compare saccule
2. (Botany) botany the bladder-like one-seeded indehiscent fruit of certain plants, esp sedges
[C18: from Latin ūtriculus diminutive of ūter bag]
uˈtricular, uˈtriculate adj
u•tri•cle(ˈyu trɪ kəl)
1. a small baglike body, as an air-filled cavity in a seaweed.
2. a thin bladderlike pericarp or seed vessel of a plant.
3. the larger of two sacs in the membranous labyrinth of the inner ear, adjoining the semicircular canals.
[1725–35; < Latin utriculus, diminutive of uter bag; see -cle1]
u•tric′u•lar (-yə lər) adj.
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|Noun||1.||utricle - a small pouch into which the semicircular canals open|
membranous labyrinth - the sensory structures of the inner ear including the labyrinthine receptors and the cochlea; contained within the bony labyrinth