Anatomy The accompanying aery with axillary nerve in the quadrangular space is: A Anterior circumflex humeral aery B Posterior circumflex humeral aery C Profunda brachii aery D Circumflex scapular aery 💡 Explanation The accompanying aery with axillary nerve in the quadrangular space is: ✓ Correct Answer: B. Posterior circumflex humeral aery