Trivia. 1  Presumably, a rabbit's foot gives potions its jump boost effect because rabbits hop around instead of walking. 2  It has no real Luck factor.
Myo- definition, a combining form meaning âmuscle,â used in the formation of compound words: myology. See more.
In this article. More than a million Americans have heart attacks each year. A heart attack, or myocardial infarction (MI), is permanent damage to the heart muscle. Myo means muscle, cardial refers to the heart, and infarction means death of tissue due to lack of blood supply.