cyst
noun
[ sɪst ]
• a thin-walled hollow organ or cavity in an animal or plant, containing a liquid secretion; a sac, vesicle, or bladder.
• a membranous sac or cavity of abnormal character in the body, containing fluid.
Similar:
growth,
abscess,
boil,
blister,
bleb,
wen,
carbuncle,
vesicle,
vesication,
hydatid,
oocyst,
saccule,
steatoma,
• a tough protective capsule enclosing the larva of a parasitic worm or the resting stage of an organism.
Origin:
early 18th century: from late Latin cystis, from Greek kustis ‘bladder’.
