Bran, also known as miller's bran, is the hard outer layers of cereal grain. It consists of the combined aleurone and pericarp.
Additional data for wheat-bran may be on the way.
The germ of a cereal is the reproductive part that germinates to grow into a plant; it is the embryo of the seed.
wheat germ n : embryo of the wheat kernel; removed before milling and eaten as a source of vitamins