Layer of inner and outer segments

Stratum segmentorum externorum et internorum

  • Related terms: Layer of inner and outer segments of retina

Definition

The layer of inner and outer segments of retina is a higly ordered, mulilayered structure about 0,5 mm thick. From outside ot inise, 10 distinct layers are described in histologic sections :

  • The retinal pigment epithelium
  • The Outer limiting layer (Layer of Rods and Cones; Jacob's membrane)
  • An external limiting membrane
  • The outer nuclear layer or layer of outer granules
  • The outer plexiform layer
  • The inner nuclear layer or layer of inner granules
  • The inner plexiform layer
  • The ganglionic layer
  • The stratum opticum or layer of nerve fibers
  • An internal limiting membrane

References

Text by Antoine Micheau, MD - Copyright IMAIOS

Gallery