All of these are derivatives of mesoderm except (LQ)
|B||Ciliary body of eye|
Intrinsic muscles of iris namely, Sphincter &Dilator pupillae, are derivatives of neural plate ectoderm
Cardio vascular system develops from mesoderm and microglia is a type of blood cell.
Duramater is mesodermal in origin, whereas, pia & arachnoid are from neural crest cells.