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|  List navigation | 
| Home page | TAH partonomy | 
| Top level | systema cardiovasculare  Short Extended | 
| Level 2 | systema venosum  Short Extended | 
| Current level | vena cava superior  Extended | 
| Subsidiary language with Latin |       | 
| Non Latin primary language |       | 
|  Partonomy list | 
|  Scientific notes | 
| UID | 
                  Libelle of note
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| 4481 | 
                  Clear differences between the two brachiocephalic veins concern the inferior thyroid vein, the thymic veins and the left superior intercostal vein with tributaries.
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| 4666 | 
                  The pattern of tributaries to the azygos vein is highly variable (Luzsa G 1972 Röntgenanatomie des Gefäßsystems. Akadémiai Kiadó, Budapest; Rickenbacher et al. 1982  von Lanz/Wa\chsmuth Rücken. Springer, Berlin).
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| 15382 | 
                  The supreme intercostal vein drains to the left brachiocephalic vein, the second and third right posterior intercostal veins to the right superior intercostal vein.
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|  Signature | 
| Type of list | P3 | 
| List Unit Identifier | 4480 | 
| Sublist 1 | 4481 vena brachiocephalica 295/98 on 17.5.2025 | 
| Sublist 2 | 4666 vena azygos 69/70 on 17.5.2025 | 
| Subtotals | subchildren 364 subunits 168 | 
| Proper children | 7 | 
| Number of children | 371 (validated) | 
| Proper units | 4 | 
| Number of units | 172 (validated) | 
| Signature | 20347 (validated since 17.5.2025) | 
| Date: 12.06.2025 |