<prompt> Circulus aeriosus iridis major is formed by the anastomosis ofLong posterior ciliary aeries with sho posterior ciliary aeriesLong posterior ciliary aeries with anterior conjunctival aeriesLong posterior ciliary aeries with anterior ciliary aeriesAnterior ciliary aeries with sho posterior ciliary aeries  <response>: Anterior ciliary aeries: These are derived from the muscular branches of ophthalmic aery. These aeries pass anteriorly in the episclera, give branches to sclera, limbus and conjunctiva; and ultimately pierce the sclera near the limbus to enter the ciliary muscle; where they anastomose with the two long posterior ciliary aeries to form the circulus aeriosus major, near the root of iris. Reference :- A K KHURANA; pg num:-136 