Medical imaging is often perceived to designate the set of techniques that noninvasively produce images of the internal aspect of the body. In this restricted sense, medical imaging can be seen as the solution of mathematical inverse problems. This means that cause (the properties of living tissue) is inferred from effect (the observed signal).
Definition. Et al. is a Latin abbreviation that means 'and others'. It's used in place of names for the purpose of saving time and space when providing in-text citations.
In citing such papers using the name-and-date system, also known as the Harvard system, a long string of names proves awkwardâwhich is why most journals recommend the use of et al., which is Latin for et alii or et aliae and means âand others.â.