| Brachiocephalic vein | Internal jugular vein + subclavian vein |
| External jugular vein | Posterior division of retromandibular vein + posterior auricular vein |
| Retromandibular vein | Superficial temporal vein + maxillary vein |
| Axillary vein | Basilic vein + brachial venae comitantes near the lower border of teres major |
| Portal vein | Superior mesenteric vein + splenic vein; forms posterior to the neck of the pancreas |
| Brachiocephalic trunk | Divides into right common carotid and right subclavian arteries |
| Inferior thyroid veins | Usually drain into the brachiocephalic veins, often the left |
| Internal jugular vein | Begins at jugular foramen and terminates at the venous angle behind the sternoclavicular joint |