You say MRI, I say NMR. These sound almost like William Steig would have used them, but not quite.

Chad over at Uncertain Principles give the lowdown on the phenomenon of Nuclear Magnetic Resonance

[…] Nuclear Magnetic Resonance (NMR), which is the “M” and the “R” in “Magnetic Resonance Imaging”– they ditched the “N” because “nuclear” is scaaaary, and doctors are wusses.

Yeah, but tell your doctor that when he’s got a sharp instrument or weird probe-thingy in his hand.