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.
in psychology, the consistency of measurement obtained when different judges or examiners independently administer the same test to the same subject. interrater reliability. The extent to which two independent parties, each using the same tool or examining the same data, arrive at matching conclusions. Many health care investigators analyze graduated data, not binary data.