Nerve to the Piriformis

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Nerve: Nerve to the Piriformis
Gray828.png
Plan of sacral plexus and pudendal plexus. (Label "to piriformis" is at center left.)
The piriformis and nearby muscles
Latin nervus musculi piriformis
Gray's subject #213 957
Innervates    piriformis muscle
From sacral plexus (S1–S2)
Dorlands
/ Elsevier
    
n_05/12566208

The nerve to piriformis is a nerve that innervates the piriformis muscle.

Course

The nerve to piriformis originates in the sacral plexus. It arises from the dorsal division of the second sacral nerve, or the dorsal divisions of the first and second sacral nerves, and enters the anterior surface of the piriformis muscle; this nerve may be double.

See also

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.


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