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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

psychological feature go
a feature of the mental life of a living organism

event go
something that happens at a given place and time

act, deed, human action, human activity go
something that people do or cause to happen

activity go
any specific behavior

puncture go
the act of puncturing or perforating

centesis
(surgery) the act of puncturing a body cavity or organ with a hollow needle in order to draw out fluid

noun.act

6 Subcategories

abdominocentesis, paracentesis go
centesis of the belly to remove fluid for diagnosis
amniocentesis, amnio go
(pregnancy) extraction by centesis of amniotic fluid from a pregnant woman (after the 15th week of pregnancy) to aid in the diagnosis of fetal abnormalities
arthrocentesis go
removal of fluid from a joint by centesis
celiocentesis go
removal of fluid from the abdomen by centesis
lumbar puncture, spinal puncture, spinal tap go
removal by centesis of fluid from the subarachnoid space of the lumbar region of the spinal cord for diagnostic or therapeutic purposes
thoracocentesis, thoracentesis go
removal of fluid from the chest by centesis for diagnostic or therapeutic purposes