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|  List navigation | 
| Home page | TAH partonomy | 
| Top level | systema nervosum centrale  Short Extended | 
| Level 2 | tractus systematis nervosi centralis (par)  Short Extended | 
| Current level | tractus originis mesencephali (par)  Extended | 
| Subsidiary language with Latin |       | 
| Non Latin primary language |       | 
|  Partonomy list | 
|  Scientific notes | 
|  Signature | 
| Type of list | P3 | 
| List Unit Identifier | 8488 | 
| Sublist 1 | 8478 tractus descendens originis mesencephali 72/25 on 20.3.2021 | 
| Sublist 2 | 8484 tractus ascendens originis mesencephali 11/4 on 15.4.2018 | 
| Sublist 3 | 8487 tractus commissuralis mesencephali 8/3 on 15.4.2018 | 
| Sublist 4 | 9461 radix centralis mesencephali 5/2 on 15.4.2018 | 
| Subtotals | subchildren 96 subunits 34 | 
| Proper children | 9 | 
| Number of children | 105 (validated) | 
| Proper units | 2 | 
| Number of units | 36 (validated) | 
| Signature | 5457 (validated since 21.3.2021) | 
| Date: 23.07.2025 |