Pion vs Prion - What's the difference?
pion | prion |
(particle) Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks]]/[[antiquark, antiquarks.
(molecular biology) A self-propagating misfolded conformer of a protein that is responsible for a number of diseases that affect the brain and other neural tissue.
*1999 , (Matt Ridley), Genome , Harper Perennial 2004, p. 277:
*:Prions retain deep mysteries, the foremost of which is what on earth they exist for.