You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Aery forming anastomosis around surgical neck humerus and explain in detail?
Anterior Circumflex humeral aery and posterior Circumflex humeral aery are branches from 3rd pa of axillary aery . These two anastomose around the surgical neck of humerus . Posterior Circumflex humeral aery runs along with axillary nerve and passes through the quadrangular intermuscular space . B D Chaurasia 7th edition Page no : 53