Dictionary

cyst

noun \ˈsist\

medical : a growth filled with liquid that forms in or on your body

Full Definition of CYST

1
:  a closed sac having a distinct membrane and developing abnormally in a cavity or structure of the body
2
:  a body resembling a cyst: as
a :  a resting spore of many algae
b :  a gas-filled vesicle (as of a rockweed or bladderwort)
c :  a capsule formed about a minute organism going into a resting or spore stage; also :  this capsule with its contents
d :  a resistant cover about a parasite produced by the parasite or the host
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Origin of CYST

New Latin cystis, from Greek kystis bladder, pouch; akin to Sanskrit śvasiti he blows, snorts — more at wheeze
First Known Use: circa 1720

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic
CYSTS Defined for Kids

cyst

noun \ˈsist\

Definition of CYST for Kids

1
:  an abnormal lump or sac that forms in or on the body
2
:  a saclike structure with a protective covering or a body (as a spore) with such a covering
Medical Dictionary

cyst

noun \ˈsist\

Medical 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

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