TY - CHAP M1 - Book, Section TI - FETAL SKELETAL ANOMALIES A1 - Yeo, Lami A1 - Romero, Roberto J. A1 - Gotsch, Francesca A1 - Vaisbuch, Edi A1 - Pilu, Gianluigi A2 - Fleischer, Arthur C. A2 - Toy, Eugene C. A2 - Lee, Wesley A2 - Manning, Frank A. A2 - Romero, Roberto J. Y1 - 2015 N1 - T2 - Sonography in Obstetrics and Gynecology: Principles & Practice, 7e AB - DefinitionsAmelia: absence of a limb or limbs.Dysostosis: disorder of individual bones, singly or in combination; the lesions are local and nonprogressive.Hemimelia: absence of a longitudinal segment of a limb, such as radial hypoplasia or aplasia.Micromelia: shortening of the entire limb.Osteochondrodysplasia: results from abnormal growth and development of bone and/or cartilage; the lesions are generalized and progressive.Phocomelia: hypoplasia of the limbs, with hands and feet attached to the shoulder and hips.Polydactyly: presence of more than 5 digits. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/23 UR - obgyn.mhmedical.com/content.aspx?aid=1106707545 ER -