The embryonic vascular layer of the eye is derived from
(Mesoderm) (8-9-Khurana 4th) (5-Parson 20th)Structures derived from the Embryonic layers1. Surface ectoderm2. Neural ectoderm(a) The crystalline lens(b) Epithelium of the cornea(c) Epithelium of the conjunctiva(d) Lacrimal glands(e) Epithelium of eyelids and its derivatives, viz.: cilia, tarsal glands, and conjunctival glands.(f) Epithelium lining the lacrimal apparatus (Lacrimal glands, Tarsal glands)(a) Retina with its pigment epithelium(b) Epithelial layers of ciliary body(c) Epithelial layers of iris(d) * Sphincter and dilator papillae muscles(e) Optic nerve (neuroglia and nervous elements only)(f) Melanocytes - Retinal pigment epithelium(g) Secondary vitreous(h) Ciliary zonules3. Associated paraxial mesoderm(a) ** Blood vessels of choroid, iris, ciliary vessels, central retinal artery, other vessels (Vascular endothelium of eye and orbit)(b) Primary vitreous(c) Substantia propria, Descemet's membrane, and endothelium of cornea(d) The sclera(e) Stroma of iris(f) Ciliary muscle(g) Sheaths of optic nerve(h) Extraocular muscle(i) Fat, ligaments and other connective tissue structures of the orbit(j) Upper and medial walls of the orbit(k) Connective tissue of the upper eyelid4. Visceral mesoderm of maxillary process below the eye(a) Lower and lateral walls of orbit(b) Connective tissue of the lower eyelid.
Neural crest
Mesoderm
Ectoderm
Surface ectoderm
Anatomy