名詞 cyst:

1. a closed sac that develops abnormally in some body structure
2. a small anatomically normal sac or bladderlike structure (especially one containing fluid)
   同義詞：vesicle

cyst

n.（名詞）
Pathology An abnormal membranous sac containing a gaseous, liquid, or semisolid substance.
【病理學】 囊腫：一種含有氣態(tài)、液態(tài)或者半固態(tài)物質的異常膜性囊
Anatomy A sac or vesicle in the body.
【解剖學】 囊，泡囊：身體中的囊或庖囊
Biology A small capsulelike sac that encloses certain organisms in their dormant or larval stage.
【生物學】 包囊：在他們的休眠期或幼蟲期內有某些器官的囊狀小氣囊
Botany A thick-walled resting spore, as in certain algae or fungi.
【植物學】 包囊：一種厚壁休眠孢子，如在某些海藻或者真菌中

來源：
New Latin cystis
現代拉丁語 cystis
from Greek kustis [bladder] * see kwes-
源自 希臘語 kustis [膀胱] *參見 kwes-