eng
in situ
on-site
referring to the study, maintenance or conservation of a specimen or population without removing it from its natural surroundings
Note 1 to entry: Opposite of ex situ (off-site).
Note 2 to entry: An example of in situ and direct is measuring a patient's temperature with a mercury thermometer in the patient's rectum.
Note 3 to entry: An example of in situ and remote is measuring a patient's temperature with an infra-red thermometer at a distance.
[SOURCE: ISO 19156:2023, 3.10]