In postductal coarctation of aoa, collaterals may be formed by all of the following, except
In post-ductal coarctation of the aoa, an extensive collateral circulation develops involving the branches of subclan & axillary aeries with the distal aeries given by aoa Veebral aery does not play a significant role in this collateral circulation. Ref: Gray's 40e/p984
Veebral aery
Suprascapular aery
Subscaular aery
Posterior Intercostals aery
General anatomy