Subclavian Artery - Branches (+Mnemonics)

Artery Anatomy Playlist:
   • Arteries Anatomy  

Content:
Introduction: 0:00
Dividing the Subclavian Artery: 1:20
Mnemonic for subclavian artery: 1:47
Vertebral artery: 2:26
Internal Thoracic artery: 4:47
Thyrocervical Trunk: 6:21
Costocervical Trunk: 8:16
Dorsal Scapular artery: 8:52

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This video will cover:
- Branches of Subclavian Artery

Subclavian Artery
- Right Subclavian Artery comes from the Brachiocephalic Trunk
- Left Subclavian Artery comes directly from the Aorta

Subclavian artery mneumonics: VIT. C, D (as in VITamin C, D)

1st part of subclavian:
- Vertebral Artery
○ Prevertebral Part
○ Transverse Part:
§ Muscular Branch - for deep muscles of the neck
§ Spinal branch - upper 5th-6th cervical segments of spinal cord
○ Intracranial part:
§ Anterior Spinal Artery: descends along the Anterior median fissure
§ Posterior Spinal Arteries: descends along the posterolateral sulcus
§ Inferior Posterior Cerebellar artery
§ Meningeal Branch - for the posterior meninges
○ Basilar artery:
§ Inferior Anterior Cerebellar Artery
§ Superior Cerebellar Artery
§ Branches for pons and mesencephalon (midbrain)
§ Posterior Cerebral Artery
- Internal Thoracic artery
○ Divides into 2 parts:
§ Superior Epigastric Artery (goes through sternocostal triangle and communicates with the Inferior Epigastric Artery)
§ Musculophrenic Artery - gives off anterior intercostal arteries for lower 5th-6th intercostal space
○ Mneumonic for branches of internal thoracic artery: PAST BPM
§ Pericardiophrenic artery
§ Anterior intercostal artery
§ Sternal artery
§ Thymic artery
§ Bronchial artery
§ Perforating artery
§ Mediastinal artery
- Thyrocervical Trunk
○ Inferior Thyroid Artery. Branches of inferior thyroid artery:
§ Inferior Laryngeal branch
§ Tracheal branch
§ Esophageal branch
§ Pharyngeal branch
○ Ascending Cervical Artery:
§ Muscular branch
§ Spinal branches
- Suprascapular Artery
- Transverse Cervical Artery
○ Superficial cervical artery
○ Dorsal Scapualr artery (either from the Transverse cervical or from the subclavian artery itself (3rd part))

2nd Part of the subclavian artery
- Costocervical Trunk
○ Deep cervical
○ Supreme intercostal artery
§ Posterior intercostal arteries

3rd Part of the subclavian artery
Dorsal Scapular artery (either from the subclavian artery or from the transverse cervical artery)