| Name | trochlear nerve development |
| ID | GO_0021558 |
| collection_id | Biological process |
| Exact synonym | cranial nerve 4 development, cranial nerve IV development |
| Related synonym | CN IV development |
| Description | The process whose specific outcome is the progression of the trochlear nerve over time, from its formation to the mature structure. The trochlear nerve is a motor nerve and is the only cranial nerve to exit the brain dorsally. The trochlear nerve innervates the superior oblique muscle. |
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