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10 9 8 7 6 5 4 3 2 1 0. Today we’ll talk about slipped capital femoral epiphysis. A hip condition that occurs in teens and pre-teens who are still growing. For reasons that are not well understood, the ball at the head of the femur slips off the neck of the bone in a backwards direction. The anatomy of the pediatric hip represents a changing landscape throughout all stages of growth and development from birth until skeletal maturity. Abnormalities during different developmental stages can cause a number of debilitating hip conditions that can have lasting ramifications into adulthood. Hip joint development begins in the embryonic phase of life, and is a progressive, dynamic process that continues throughout fetal development, infancy and childhood. The relatively rapid hip development that occurs during the prenatal and neonatal phases can have an impact on the different surgical and non-surgical management options used in the treatment of pediatric hip disorders. In particular, the unique anatomical and physiological features of the developing pediatric hip merit the surgeon’s consideration before deciding on the most appropriate treatment for common disorders such as developmental dysplasia of the hip (DDH), slipped capital femoral epiphysis (SCFE), Perthes disease, and hip displacement in cerebral palsy. Vascularization of the femur is first seen at the end of the embryonic developmental phase. At the eighth week, capillaries penetrate the cartilage model of the femur at the mid-diaphysis. This is the site of the primary ossification centre of the femur. The arterial supply to the proximal end of the femur has been studied extensively. The arteries of the proximal end of the femur are divided in three groups: an extracapsular arterial ring located at the base of the femoral neck; ascending cervical branches of the extracapsular arterial ring on the surface of the femoral neck; and the arteries of the round ligament. The extracapsular arterial ring is formed posteriorly by a large branch of the medial femoral circumflex artery and anteriorly by branches of the lateral femoral circumflex artery. The ascending cervical arteries can be divided into four groups (anterior, medial, posterior, and lateral) based on their relationship to the femoral neck. Of these four, the lateral group provides most of the blood supply to the femoral head and neck. At the margin of the articular cartilage on the surface of the neck. The artery of the ligamentum teres is a branch of the obturator or the medial femoral circumflex artery. The functional presence of this artery has been variably reported in the literature.