The word anatomy comes from the Greek ana-meaning up or through + tome meaning a cutting. Anatomy was once a cutting up because the structure of the body was originally learned through dissecting it. The word histology came from the Greek histo- meaning tissue + logos, treatise.
Definition: Reliability is the degree to which a measurement instrument gives the same results each time that it is used, assuming that the underlying thing being measured does not change.
Reliability may refer to: 1  Human reliability. 2  Reliability engineering, the ability of a system or component to perform its required functions under stated conditions for a specified period of time. 3  Reliability (psychometrics) , of a set of data and experiments. 4  High reliability is informally reported in  nines .