ECM, The Cell & DNA/SNPs - New Iris Presentation

These exciting modern iris presentations and new understanding of the iris divisions was initiated and originated by John Andrews -
 a) DNA/SNPs : represent Inner Pupillary Border - Chromosomes
 b) The Cell : Embryology Pupillary Zone to Internal Collarette Border - Cellular Physiology
 c) ECM : Ciliary zone extending from the limbus toward to External Border of the Collarette - Extracelluar Matrix