Quiz: Remember the definition of mal de mer?
1713, from Modern Latin cystis (in English as a Latin word from 1540s), from Greek kystis "bladder, pouch."
An abnormal membranous sac containing a gaseous, liquid, or semisolid substance.
A sac or vesicle in the body.
A small capsulelike sac that encloses certain organisms in their dormant or larval stage.
Variant of cysto-.
An abnormal saclike structure that develops in the body and is filled with fluid or semisolid material.