An articulation in which bones are joined by ____________ is called a synchondrosis. Functionally, all synchondroses are ____________ and thus are classified as ____________ . The ____________ in children form synchondroses that bind the epiphyses and diaphysis of long bones. When bones stop growing, ____________ replaces the synchondrosis and it no longer exists. Other examples of synchondroses are the ____________ synchondrosis found between some cranial bones of the skull and ____________ , the articulations between each bony rib and its respective costal cartilage.