Abbreviation of conical scanning.

(physics) An electron microscope that transmits a very narrow beam of electrons through a sample; it can detect individual large or heavy atoms.

(medicine) A CT system (computed tomography) that limits the radiation exposure to the patient and produces high-resolution three-dimensional images.

plural of scanning transmission electron microscope

A nuchal scan.

plural of nuchal translucency scan

(physics) A scanning transmission electron microscope that is able to focus electrons to a probe of about 0.14 nm and thus distinguish individual atoms.

plural of monochromated scanning transmission electron microscope