If risen bread is desired, one must leaven the dough, either by mixing it with a piece of already leavened dough or leaving it exposed to yeast spores in the air for a period ranging from a single day to several, depending on the ambient conditions.
Medical Definition of RIB CAGE. : the bony enclosing wall of the chest consisting chiefly of the ribs and the structures connecting themâcalled also thoracic cage.ull Definition of RIB CAGE. : the bony enclosing wall of the chest consisting chiefly of the ribs and the structures connecting them. See rib cage defined for English-language learners.
Rib cage. RIB CAGE ANATOMY. The rib cage, shaped in a mild cone shape and more flexible than most bone sets, is made up of varying elements such as the thoracic vertebra, 12 equally paired ribs, costal cartilage, and held together anteriorly by the sternum.