15/08/2011

embryology of eye ----- a short summary table



       Neuroectoderm(diencephalon)

1.  Optic cup -------                         

§  Retina
§  Iris musculature
®      sphincter pupillae
®      dilator pupillae
§  Iris epithelium
§  Ciliary epithelium
§  Part of vitreous


2. Optic stalk ------- 
Optic nerve/2nd CN



Surface ectoderm

Lens placode
  • Crystalline lens
Hyloid artery & vein
  • central artery & vein of retina
Mesoderm
  • Extraocular muscles
  • Sclera
  • Iris
  • Choroid
  • Ciliary body
  • Uvea
  • Corneal stroma(substantia propria)
  • Blood vessels of eye
  • Aq. Humor
  • Part of vitreous

NEURAL CREST
  • corneal keratocytes
  • corneal endothelium
  • trabecular meshwork endothelium
  • iris stroma
  • choroid stroma
  • ciliary muscles
  • fibroblasts of sclera
  • part of vitreous
  • optic nerve meninges
  • orbital cartilage & bones
  • orbital connective tissue
  • ciliary ganglion
  • shwann cells of ciliary ganglion
  • extraocular muscles
  • subepidermal layers of eyelids


other structures from surface ectoderm
  • lens
  • lacrimal glands
  • corneal epithelium—anterior surface of cornea
  • conjunctival epithelium
  • epidermis of eyelids
  • adnexal glands epithelium
  • tarsal glands





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