| Posterior nasal spine | |
|---|---|
 Left palatine bone. Posterior aspect. Enlarged. (Posterior nasal spine labeled at bottom right.) | |
 Roof, floor, and lateral wall of left nasal cavity. (Posterior nasal spine labeled at bottom left.) | |
| Details | |
| Part of | Medial end of posterior border of horizontal plate of palatine bone of skull |
| System | Skeletal |
| Identifiers | |
| Latin | spina nasalis posterior ossis palatini |
| TA98 | A02.1.13.017 |
| TA2 | 815 |
| FMA | 75776 |
| Anatomical terms of bone | |
The posterior nasal spine is part of the horizontal plate of the palatine bone of the skull. It is found at the medial end of its posterior border. It is paired with the corresponding palatine bone to form a solid spine. It is the attachment of the uvula muscle.