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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

process, procedure go
a particular course of action intended to achieve a result

diagnostic procedure, diagnostic technique go
a procedure followed in making a medical diagnosis

roentgenography, X-ray photography
radiography that uses X-rays to produce a roentgenogram

noun.act

6 Subcategories

angiography go
roentgenographic examination of blood vessels after injection of a radiopaque contrast medium
arthrography go
roentgenographic examination of a joint after injection of radiopaque contrast medium
cholangiography go
roentgenographic examination of the bile ducts after a contrast medium has been injected
encephalography go
roentgenography of the brain after spinal fluid has been replaced by a gas (usually oxygen)
myelography go
roentgenography of the spinal cord to detect possible lesions (usually after injection of a contrast medium into the subarachnoid space)
pyelography go
roentgenography of the kidney and ureters (usually after injection with a radiopaque dye)