| Lumbosacral trunk | |
|---|---|
 Plan of lumbar plexus. | |
 Dissection of side wall of pelvis showing sacral and pudendal plexuses. | |
| Details | |
| From | L4-L5 |
| Identifiers | |
| Latin | truncus lumbosacralis |
| TA98 | A14.2.07.026 |
| TA2 | 6504 |
| FMA | 65535 |
| Anatomical terms of neuroanatomy | |
The lumbosacral trunk is nervous tissue that connects the lumbar plexus with the sacral plexus. It is formed by the union of parts of the fourth and fifth lumbar nerves and descends to join the sacral plexus.