A look at how "cultured" meat works

A new term is causing heartburn for beef, chicken and pork producers: "Clean meat."

The term is being used by supporters of the emerging science of meat grown in labs without slaughtering cows and chickens. But many in the conventional meat industry don't want it to become the accepted moniker, saying it implies that the meat they produce isn't clean.

Meat products grown by replicating animal cells are not yet on supermarket shelves, but the topic is getting enough attention that the Food and Drug Administration is holding a public meeting on "cultured" meat next month. The agency notes the te...