Items tagged “ossification”

Elbow ossification occurs at the six elbow ossification centers in a reproducible order. Being familiar with the order of ossification of the elbow is important in not mistaking an epicondylar fracture for a normal ossification center.  Appearance Order The order of appearances of the elbow o...

Ossification of the vertebral column is complex but an overview of primary and secondary ossification centers is given below: Primary ossification centers The C3-L5 vertebrae typically have three primary ossification centers that start appearing at 9 weeks in utero and finish primary ossificat...

Listed below are the ossification centers of the hip and pelvis: Pelvic ilium: appears at 8 weeks in utero; fuses at 7-9 years ischium: appears at 4-6 months in utero; fuses at 7-9 years pubis: appears at 4-6 months in utero; fuses at 7-9 years acetabulum (two centers): puberty; fuses (i.e....

Ossification centers of the knee vary from reference to reference, but an approximation is listed below.  Distal femur femoral shaft: 8 weeks in utero distal femur: 3-6 months Patella between 1-3 ossification centers appear at 3-5 years Proximal tibia tibial shaft: 7 weeks in utero tibia...

Ossification centers of the ankle vary in timing from reference to reference but an approximation of their appearance is listed below. Distal tibia tibial shaft: 7 weeks in utero distal tibia: 4-12 months medial malleolus forms from the distal tibial epiphyses at 7-10 years Distal fibula f...