Ulnar carpal bone
Os carpi ulnare
The lateral bone of the proximal carpal row, articulating with the ulna above and the fourth carpal bone below.
- System
- Bone
- Region
- Thoracic limb
- Sides
- Paired: left and right

Measured on the specimen
What the ulnar carpal bone is in contact with in the model itself, with the share of the other structure’s surface it covers. A contact is not always a joint: bones that simply lie against one another are in this list too.
- Fourth carpal bone42%
- Radius6%
- Ulna4%
- Accessory carpal bone24%
- Metacarpal 5, left fore13%
Measured on the left side.
Terminology
- English
- Ulnar carpal bone
- Latin (NAV)
- Os carpi ulnare
- Status
- A valid term in the Nomina Anatomica Veterinaria
Read next
- Fourth carpal boneTouches it
- RadiusTouches it
- UlnaTouches it
- Accessory carpal boneTouches it
- Acromial part of the deltoid muscleSame region
- Brachial muscleSame region
- Cleidobrachial muscleSame region
- First carpal boneSame region
- HumerusSame region
- Intermedioradial carpal boneSame region
- Long abductor of the first digitSame region
- Radial flexor of the carpusSame region