Superior Vena Cava (Azygos, Hemiazygos, Brachiocephalic) | Anatomy

🌐 Website: https://taimtalksmed.com/ šŸ«€ Help keep this content free: Ā Ā Ā /Ā @taimtalksmedĀ Ā  šŸ”¬ Get 10% off anatomy lab models (affiliate link): https://anatomywarehouse.com?aff=34 šŸ“² Other Links: Instagram: Ā Ā /Ā taimtalksmedĀ Ā  Discord: Ā Ā /Ā discordĀ Ā  Content: 0:00 Introduction 00:29 Veins of the Systemic Circulation 01:05 Superior Vena Cava 01:32 Azygos & Hemiazygos Vein 05:45 Brachiocephalic Veins 06:20 Right Brachiocephalic Vein 08:19 Left Brachiocephalic Vein Superior Vena Cava Short Vein Large Diameter: 2-3 Cm No valves Azygos Vein (vena azygos) Unpaired vein located behind the Inferior Vena Cava, on the right side of the vertebral column. Received blood from the Right Ascending Lumbar Vein (v. Lumbalis ascendens dexter) May function as portocaval and cavo-caval anastemoses Tributaries: Visceral Tributaries ā—‹ Esophageal Veins (vv. oesophageales) ā—‹ Bronchial Veins (Vv. bronchiales) ā—‹ Pericardial Veins (Vv. Pericardiacae) ā—‹ Mediastinal Veins (Vv. Mediastinales) Parietal Tributaries ā—‹ Hemiazygos Vein (vena hemiazygos) ā–” Acessory Hemiazygos Vein (vena hemiazygos accessoria) ā—‹ Right Superior Intercostal Veins (Vv. Intercostales Superior Dextrae) ā—‹ Right Posterior Intercostal Veins (Vv. Intercostales Posterior Dextrae) ā—‹ Superiro Phrenic Vein (Vv. Phrenicae SUperiores) Left Thoracic Veins: Left Posterior Intercostal Veins (Vv. Intercostales Posteriores Sinistrae) draining into the accessory hemiazygos vein and the hemiazygos vein Right Brachiocephalic Vein (Vena brachiocephalica dextra) Formed by a union of the Subclavian Vein (vena subclavia) and the Internal Jugular Vein (vena jugularis interna) About 3 cm long Right Vertebral Vein (vena vertebralis) Right Inferior Thyroid Vein (vena thyroidea inferior) Right Internal Thoracic Vein (vena thoracica interna dextra) ā—‹ Anterior intercostal veins (venae inercostales anteriores) communicate with the posterior intercostal veins ā—‹ Musculophrenic Vein (vena musculophrenica) ā—‹ Superior Epigastric Vein (vena epigastrica superior) Right Supereme Intercostal Vein (vena intercostalis suprema) Left Brachiocephalic Vein About 6 cm long Left Vertebral Vein (vena vertebralis dexter) Left Inferior Thyroid Vein (vena thyroidea inferior sinister) Left Internal Thoracic Vein (vena thoracica interna sinister) Left Supreme Intercostal Vein (vena intercostalis suprema sinister) Left Superior Intercostal Vein (vena intercostalis superior sinistra) Thymic Veins (vv. thymicae) Pericardiophrenic Veins (venae percardiophrenicae)