| 单词 | contractile vacuole |
| 释义 | contractile vacuolenoun Cell Biology.a membrane-enveloped cellular organelle, found in many microorganisms, that periodically expands, filling with water, and then contracts, expelling its contents to the cell exterior: thought to be important in maintaining hydrostatic equilibrium. Origin of contractile vacuoleFirst recorded in 1875–80 Words nearby contractile vacuolecontracted, contracted kidney, contracted pelvis, contract furniture, contractile, contractile vacuole, contraction, contraction joint, contractive, contract labor, contract of employment Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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