in situ


in si·tu

adverb or adjective \(ˌ)in-ˈsī-(ˌ)tü, -ˈsi-, -(ˌ)tyü also -ˈsē-, -(ˌ)chü\

Definition of IN SITU

:  in the natural or original position or place <an in situ cancer confined to the breast duct>

Origin of IN SITU

Latin, in position
First Known Use: 1740

in si·tu

adverb or adjective \(ˈ)in-ˈsī-(ˌ)t(y)ü, -ˈsi- also -ˈsē-, -(ˌ)chü\   (Medical Dictionary)

Medical Definition of IN SITU

: in the natural or original position or place <an in situ cancer confined to the breast duct>—see carcinoma in situ

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