Meaning of PROBE in English

(1) In surgery , a probe is a slender flexible rod with a blunt end used to explore, for example, an opening to see where it goes. (2) In molecular genetics, a probe is a labeled bit of DNA or RNA used to find its complementary sequence or locate a particular clone like homing in on a needle in a haystack.

English dictionary of medicine.      Английский словарь медицины.