Difference between NMR spectroscopy and MRI?

Nuclear Magnetic Resonance Spectrometry (NMR) is the term used in the sciences, e.g. in probing chemical structures, however the term "nuclear" is toxic to some people and the medical profession dropped the term and use Magnetic Resonance Imaging (MRI) or MR when NMR is used to study the structure of organs in the body. The same physical priciples apply