The development of the rib cage is influenced by a combination of genetic and environmental factors, as well as specific stages of embryonic growth. Genetic factors play a critical role, with specific genes regulating the formation of bones and cartilage to ensure the proper development and alignment of the ribs and sternum. During the embryonic stage, the rib cage begins to form from the mesoderm, one of the three primary germ layers. Ribs develop from structures called somites, which later segment into vertebrae and ribs. Initially, the ribs are composed of cartilage, which gradually ossifies into bone through a process known as endochondral ossification.
The development of the rib cage is influenced by a combination of genetic and environmental factors, as well as specific stages of embryonic growth. Genetic factors play a critical role, with specific genes regulating the formation of bones and cartilage to ensure the proper development and alignment of the ribs and sternum. During the embryonic stage, the rib cage begins to form from the mesoderm, one of the three primary germ layers. Ribs develop from structures called somites, which later segment into vertebrae and ribs. Initially the ribs are composed of cartilage, which gradually ossifies into bone through a process known as endochondral ossification.