|Bone: Spinous process|
|A cervical vertebra. (Spinous process labeled at bottom.)|
|Side view of a typical cervical vertebra. (Spinous process labeled at right.)|
|Latin||processus spinosus vertebrae|
|Gray's||subject #20 97|
The spinous process of a vertebra is directed backward and downward from the junction of the laminae (in humans), and serves for the attachment of muscles and ligaments. In animals without an erect stance, the process points upward and may slant forward or backward. Spinous processes are exaggerated in some animals, such as the extinct Dimetrodon and Spinosaurus, where they form a sail- or finback.
See also 
Additional images 
- SUNY Figs 02:01-01 - "Superior and lateral views of typical vertebrae."
- Atlas of anatomy at UMich back_bone19
- Bioweb at UWLAX aplab
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