42 



Light and the Eye \1 : 3 



Layer 



TABLE I 

 Layers of the Retina 



Function or Structure 



bo 



O 



A 

 -t-> 



1. Pigmented epithelium 



2. Rods and cones 



3. Outer limiting membrane 



4. Outer nuclear layer 



5. Outer plexiform layer 



6. Inner nuclear layer 



7. Inner plexiform layer 



8. Layer of ganglion cells 



9. Optic nerve fibers 



10. Inner limiting membrane 



absorbs light, limits reflection 

 the photoreceptors 



cell bodies of rods and cones 



synapses between processes from rods and 



cones and cells of layer 6 

 neuron cell bodies 

 synapses between processes from cells of 



layers 6 and 8 

 neuron cell bodies 

 also some blood vessels, connective tissue, 



and so forth 



The neurons in the retina are similar to those in other parts of the 

 nervous system. Their detailed form and action are discussed in 



1. Pigment Epithe/ium_ 



2. Rods and Cones 



3. Outer Limiting 

 Membrane 



4. Cell Bodies of 

 Rods and Cones 



5. Outer Plexiform 

 Layer 

 (Synapses) 



o 



6. Inner Nuclear Layer 

 (Neuron Cell Bodies) 



7. Inner Plexiform 

 Layer 

 (Synapses) _ 



8. Gang/ion Cell Layer 

 (Neuron Cell Bodies) 



9. Optic Nerve Fibers 



10. Inner Limiting 

 Membrane 



Figure 10. Histology of the retina. After A. A. Maximow and 

 W. Bloom, Textbook of Histology (Philadelphia: W. B. Saunders 

 Company, 1957). 



