Aery forming anastomosis around surgical neck humerus -
Ans. is'c'i.e., 3rd pa of axillary aeryAnastomosis around surgical neck of humerus is formed by -Anterior circumflex humeral aery.Posterior circumflex humeral aeryBoth are branches of 3rd pa of axillary aery.
lst pa of axillary aery
2nd pa of axillary aery
3rd pa of axillary aery
Subclan aery