Neurons and interneuronal connections of the central visual system

1. Neurons of the Central Visual System.- The Cortex and Lateral Geniculate Body.- Neuronal Structure of the Visual Cortex and Lateral Geniculate Body in Some Mammals.- Visual System of the Hedgehog (Insectivora).- Visual System of the Rabbit (Rodentia).- Visual System of the Dog (Carnivora).- Visual System of Monkeys (Primates).- Visual System of Man.- Size of the Neurons and Density of Their Arrangement.- Characteristics of the Layers of the Visual Cortex.- Similarities and Differences Between Neurons of Monkey and Man.- Distinctive Structural Features of Neurons in Areas 17, 18, and 19 of the Human Occipital Cortex.- 2. Connections Between Neurons and Details of Their Structure.- Endings and Branches of Axons.- Dendrites, Their Endings and Ramifications.- Varieties of Connections Between Neurons in the Cortical and Subcortical Parts of the Visual System.- Axo-dendritic Contacts of Cortical Pyramidal Cells.- Axo-somatic Connections of Cortical Pyramidal Cells.- Axo-dendritic Contacts of Cortical Stellate Cells.- Axo-somatic Contacts of Cortical Stellate Cells.- Axo-axonal Connections in the Cortex.- Axo-dendritic and Axo-somatic Contacts of Cells of the Lateral Geniculate Body.- Connections in the Retina.- Reality of the Systems of Spines on Dendrites Their Origin and Role.- Structure of Interneuronal Connections in the Cortex.- 3. Differences in Structure and Connections of the Visual System at Cortical and Subcortical Levels.- The Cortical Level.- Connections of Pyramidal Cells and Their Significance.- Connections of the Long-Axon Star Cells of Cajal.- Connections of Short-Axon Stellate Cells and Their Significance.- The Subcortical Level.- Neurons of the Lateral Geniculate Body.- The Main Differences Between Neurons of the Visual Cortex and Lateral Geniculate Body.- 4. Structure of the Central Visual System and Pathways.- Cortical Analyzer and Diffuse Elements.- Efferent Connections of the Visual Cortex.- Centrifugal Connections of the Retina.- A Scheme of the Structure of the Visual System.- 5. Specificity of Structure of the Central Visual System.- Structure of Neurons of the Visual System and Their Comparison with Other Neurons.- Specificity of Structure in Relation to the Problem of Color Vision.- New Data on the Structure and Function of the Lateral Geniculate Body in Primates Relative to the Problem of Color Vision.