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单词 utricle
释义
u·tri·cle 1 (ytrĭ-kəl)
n.
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-1 in the Appendix of Indo-European roots.]
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