The first of two volumes, the volume comprises three sections: (1) insights into skeletal development, including, among others, novel ideas about the role of the perichondrium in skeletogenesis, current studies on joint formation, and the human consequences of dysregulated morphogenic signaling; (2) a traditional series of papers, both reviews and original research articles on bone cells—osteoblasts, osteoclasts, and osteocytes—in relation to mechanisms underlying their formation, fate, and function; and (3) new information on the role of hormones, both steroids and peptides, as well as cytokines and the central nervous system in regulating skeletal remodeling.

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