![Carpal bone I [Trapezium] - Dog - Arthrology - Thoracic limb - vet-Anatomy](https://cdn.imaios.cn/i/imaios-images/web/images/vetanatomy/modules/dog-arthrology-illustrations/images/v6/f00bb2846feccd09f5c51b0ebe152825a87fb8bed20c0daef89b11786075e7ee?ar=640:670&auto=format,compress&bg=FFFFFF&fit=crop&p64=NjUyLDYxMA&t=Q2FycGFsIGJvbmUgSSBbVHJhcGV6aXVtXQ&tx=652&ty=610&w=350&wk=1&s=ddc0b722419a594a65f5d9dc850ab2c3)
Carpal bone I [Trapezium]
Os carpale I [Os trapezium]
- Related terms: Carpal bone I
Definition
The first carpal bone is the most medial in the distal carpal row. It is sometime called Os trapezium.
It is absent in ruminants and often absent in horses.
References
Text by Antoine Micheau, MD - Copyright IMAIOS
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