单词 | cyst |
释义 | cyst (sĭst) n. 1. An abnormal membranous sac in the body containing a gaseous, liquid, or semisolid substance. 2. A sac or vesicle in the body. 3. Biology A small capsulelike sac that encloses certain organisms in their dormant or larval stage. 4. Botany A thick-walled resting spore, as in certain algae or fungi. [New Latin cystis, from Greek kustis, bladder; see kwes- in the Appendix of Indo-European roots.] |
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