II. Anatomy: Hand and Wrist Ossification Centers
- Pediatric Wrist Ossification Center Timing- Age 2 months in girls (4 months in boys)- Capitate Ossification Center
- Hamate Ossification Center
 
- Age 2 years in girls (3 years in boys)- Triquetral Ossification Center
 
- Age 3 years in girls (4 years in boys)- Lunate Ossification Center
 
- Age 4 years in girls (6 years in boys)- Trapezoid Ossification Center
- Scaphoid Ossification Center
 
- Age 9 years in girls (12 years in boys)- Pisiform Ossification Center
 
 
- Age 2 months in girls (4 months in boys)
- Pediatric Distal Forearm Ossification Centers- Age 1 year- Distal radius Ossification Center (closes at age 16-17 years)
 
- Age 5 to 6 years- Distal ulna Ossification Center
 
 
- Age 1 year
- Image: Hand and Wrist Ossification Centers Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy) Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
 
