| Posterior auricular muscle | |
|---|---|
 The muscles of the auricula | |
 Auricula in context. | |
| Details | |
| Origin | Mastoid process of temporal bone |
| Insertion | Posterior part of auricle of outer ear |
| Artery | Posterior auricular artery |
| Vein | Posterior auricular vein |
| Nerve | Posterior auricular nerve of facial nerve (VII) |
| Actions | Pulls ear backward |
| Identifiers | |
| Latin | musculus auricularis posterior |
| TA98 | A04.1.03.022 |
| TA2 | 2091 |
| FMA | 46857 |
| Anatomical terms of muscle | |
The posterior auricular muscle is a muscle behind the auricle of the outer ear. It arises from the mastoid part of the temporal bone, and inserts into the lower part of the cranial surface of the auricle of the outer ear. It draws the auricle backwards, usually a very slight effect.