External limiting membrane
| General Information | |
|---|---|
| Latin | membrana limitans externa |
| Greek | |
| TA98 | |
| TA2 | |
| FMA | |
| Details | |
| System | |
| Artery | |
| Vein | |
| Nerve | |
| Lymphatic drainage | |
| Precursor | |
| Function | |
| Identifiers | |
| Clinical significance | |
| Notes | |
The External limiting membrane (ELM) is a layer of the retina in the eye. It is not a true membrane, but a series of junctions that form a barrier within the retina.
Structure
The ELM is located towards the outer surface of the retina, between the inner nuclear layer and the outer plexiform layer. It is composed of a series of zonula adherens junctions between Müller cells and the photoreceptor cells.
Function
The ELM acts as a barrier and regulator between the neural retina and the retinal pigment epithelium. It plays a crucial role in maintaining the structural and functional integrity of the retina.
Clinical significance
Damage or disruption to the ELM can lead to various retinal diseases, including macular degeneration and retinitis pigmentosa.
See also
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This code will create an article with an infobox at the top, including two images from Wikimedia Commons. The article is divided into sections for the structure, function, and clinical significance of the ELM, and includes internal links to related articles. The article is categorized under "Human eye anatomy" and "Retina".
Photoreceptors: Rod and Cone cells
Diagram of the retina
Structure of the retina
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