in situ

Definitions

General Science

  • adjective
    (written as in-situ)
    referring to the study, maintenance or conservation of an organism within its natural surroundings.
  • adverb
    (written as in-situ)
    referring to the study, maintenance or conservation of an organism within its natural surroundings.

Construction

  • In place, as natural, undisturbed soil.
  • Descriptive of work accomplished on the site rather than in prefabrication elsewhere, as in cast-in-place concrete.

Health Economics

  • (written as In Situ)
    A Latin tag meaning 'in a particular location' or 'in its original place'. In the treatment of cancer it refers to the original location of a cancer be fore it has metastasized. When interventions on cells or tissue take place on the living tissue, cells, etc. in the body rather than in the laboratory, the tissue etc. is also said to be 'in situ'.
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