in situ

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

Definition of in situ

  1. :  in the natural or original position or place an in situ cancer confined to the breast duct

Origin and Etymology of in situ

Latin, in position


First Known Use: 1740


Medical Dictionary

adverb or adjective in si·tu \(ˈ)in-ˈsī-(ˌ)t(y)ü, -ˈsi- also -ˈsē-, -(ˌ)chü\

Medical Definition of in situ

  1. :  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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