Fourth metacarpal bone
The fourth metacarpal bone (metacarpal bone of the ring finger) is shorter and smaller than the third.
|Fourth metacarpal bone|
Fourth metacarpal of the left hand (shown in red). Palmar view.
The fourth metacarpal. (Left.)
|Latin||Os metacarpale IV|
|Anatomical terms of bone|
A shortened fourth metacarpal bone can be a symptom of Kallmann syndrome, a genetic condition which results in the failure to commence or the non-completion of puberty. A short fourth metacarpal bone can also be found in Turner syndrome, a disorder involving sex chromosomes.
The ossification process begins in the shaft during prenatal life, and in the head between 11th and 37th months.
A fractured right hand fourth metacarpal (boxer's fracture).
- Shultz, S. J., Houglum, P. A., Perrin, D. H. (2010). Examination of Musculoskeletal Injuries. Chicago: Human Kinetics
- Balachandran, Ajay; Anooj Krishna; Moumitha Kartha; Libu G. K.; Liza John; Krishnan B (30 December 2013). "A Study of Ossification of heads of 2nd to 5th Metacarpals in Forensic Age Estimation in the Kerala Population" (PDF). Journal of Evolution of Medical and Dental Sciences. 2 (52): 10165–10171. Retrieved 26 December 2013.
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