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.
The rib cage consists of three types of bones: true, false and floating. It protects the vital organs in the upper body. The lungs and the heart are two main organs that it protects.he primary purpose of the rib cage is protection. It usually forms a barrier that encloses the heart and lungs hence protecting them. It also protects parts of the stomach, spleen and kidneys.