| Nerve: Nerve to the Piriformis | |
|---|---|
| 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) |
The nerve to piriformis is a nerve that innervates the piriformis muscle.
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 (S1 & S2), and enters the anterior surface of the piriformis muscle; this nerve may be double.
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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