cyst
cyst
noun \ˈsist\Definition of CYST
1
: a closed sac having a distinct membrane and developing abnormally in a body cavity or structure
2
: a body resembling a cyst: as a : a capsule formed about a minute organism going into a resting or spore stage; also : this capsule with its contents b : a resistant cover about a parasite produced by the parasite or the host—compare hydatid 2a








