| Foramen rotundum of Sphenoid | |
|---|---|
 Sphenoid bone. Upper surface. (Foramen rotundum labeled at center left) | |
 Base of the skull. Upper surface. Sphenoid is yellow, and arrows indicate the foramen rotundum.) | |
| Details | |
| Part of | Sphenoid bone |
| System | Skeletal |
| Identifiers | |
| Latin | foramen rotundum ossis sphenoidalis |
| TA98 | A02.1.05.035 |
| TA2 | 621 |
| FMA | 53154 |
| Anatomical terms of bone | |
The foramen rotundum is a circular hole in the sphenoid bone of the skull. It connects the middle cranial fossa and the pterygopalatine fossa. It allows for the passage of the maxillary nerve (V2), a branch of the trigeminal nerve.