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Corneal epithelium



Corneal epithelium
Vertical section of human cornea from near the margin. (Waldeyer.) Magnified.
1. Epithelium.
2. Anterior elastic lamina.
3. substantia propria.
4. Posterior elastic lamina.
5. Endothelium of the anterior chamber.
a. Oblique fibers in the anterior layer of the substantia propria.
b. Lamellæ the fibers of which are cut across, producing a dotted appearance.
c. Corneal corpuscles appearing fusiform in section.
d. Lamellæ the fibers of which are cut longitudinally.
e. Transition to the sclera, with more distinct fibrillation, and surmounted by a thicker epithelium.
f. Small blood vessels cut across near the margin of the cornea.
Latin e. anterius corneae
Gray's subject #225 1007
MeSH Epithelium,+corneal
Dorlands/Elsevier e_13/12339086


The corneal epithelium (epithelium corneæ anterior layer) covers the front of the cornea and consists of several layers of cells.

The cells of the deepest layer are columnar; then follow two or three layers of polyhedral cells, the majority of which are prickle cells similar to those found in the stratum mucosum of the cuticle.

Lastly, there are three or four layers of squamous cells, with flattened nuclei.

Cornea Cell LASIK Complication

Epithelial ingrowth is a LASIK complication in which cells from the cornea surface layer (epithelial cells) begin to grow underneath the corneal flap.

Epithelial ingrowth is a rarely occurring LASIK complication, appearing in less than one percent of LASIK procedures. However, the incidence of epithelial ingrowth appears to be higher after subsequent enhancement LASIK procedures.

See also

Disorders

  • Recurrent corneal erosion
v • d • e
Sensory system - Visual system - Eye
Fibrous tunic (outer)Conjunctiva • Sclera  • Schlemm's canal • Trabecular meshwork • Limbus
Cornea (Epithelium, Bowman's, Stroma, Descemet's, Endothelium)
Uvea (middle)Choroid (Ciliary processes, Choriocapillaris, Bruch's membrane) • Iris (Stroma)  • Pupil • Ciliary body
Retina (inner)Macula • Fovea • Optic disc
Anterior segmentAnterior chamber • Aqueous humour • Posterior chamber • Lens
Posterior segmentVitreous humour • Zonular fibers • Zonule of Zinn
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Corneal_epithelium". A list of authors is available in Wikipedia.
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