Subclavian and Axillary Arteries Flashcards
What three things branch off the Ascending Aorta?
Brachiocephalic
Left Common Carotid
Left Subclavian
What is the first artery that branches of Right Subclavian?
Right Common Carotid
What is the second artery that branches off RSC?
Vertebral Artery, later forming basilar artery
What is the third artery that branches off RSC?
Internal Thoracic Artery
What is the fourth artery that branches off RSC?
Thyrocervical arterial trunk
What three arteries branch off the Thyrocervical arterial trunk?
Suprascapular Artery
Transverse Cervical Artery
Inferior Thyroid Artery
What nerve runs with Transverse Cervical Artery?
Runs with CN IX
When does the Axillary Artery begin?
After the SC passes between the first rib and the clavicle
What muscle divides the axillary artery into three parts?
Pectoralis Minor Muscle
What muscle divides the subclavian artery into 3 branches?
Anterior Scalene Muscle
How are the parts of the SC artery related to the anterior scalene muscle?
Part 1 is medial to the anterior scalene muscle
Part 2 is posterior to the anterior scalene muscle
Part 3 is lateral to the anterior scalene muscle
How are the parts of the Axillary Artery related to the muscle?
Part 1 is superior to the pec minor
Part 2 is deep to the pec minor
Part 3 is inferior to the pec minor
What is the first artery to branch from the AA?
Superior Thoracic Artery
What does the Superior Thoracic Artery supply?
- Posterior aspect of intercostal spaces 1 and 2
- Part of serratus anterior
What is the second artery to branch from AA?
Thoracoacromial Artery