<prompt> In obstruction of second pa of axillay aery, the anostomosis between the following aery will maintain the blood supply of upper limb?Deep branch of transverse cervical aery subscapular aeryAnterior posterior circumflex humeralPosterior circumflex humeral circumflex scapular aerySuprascapular anterior circumflex humeral aery  <response>: Formed by branches of- Subclan aery - first pa - Suprascapular aery - Deep branch of transverse cervical aery Axillary aery - third pa - Subscapular aery its circumflex scapular branch There are other smaller anastomoses over the acromion process, which also helps to maintain .flow to arm. BDC Vol I, 4e, p 82 Anastomoses over the acromion process Formed by - aAcromial br. of thoraco-acromial aery bAcromial br. of suprascapular aery cAcromial br. of posterior circumflex humeral aery The subscapular aery also forms anastomoses with intercostal aeries 