Lateral margin
Margo lateralis
- Related terms: Lateral margin of ulna
 
Definition
The body of ulna is smaller than the radial shaft, and three sided, presenting:
- A lateral surface
 - A cranial surface
 - A medial surface
 - An interosseous border (only in carnivores)
 - A caudal border
 - A cranial border
 - A lateral border in ungulates.
 
In horses, the ulna is fused with the radius and his body is considerably small.
References
Text by Antoine Micheau, MD - Copyright IMAIOS