Development and morphological organization of photoreceptors

摘要: A common theme in developmental biology is that orderly structures arise out of initially unorganized assemblages undifferentiated, proliferating cells, and cells with specific identities often become organized into highly regular patterns repeating units. hallmark neuronal organization the partitioning or clustering neurons functional modules are collected more complex structures. In vertebrate retina, this type modular paramount importance for proper functioning neural circuitry, mosaics found among all classes at levels (Wassle Reimann, 1978; Marc, 1986). The general organizational principle retina major categories stratified, like sheets a layer cake, within given lamina, subtypes distributed spacing, typically abutting but not overlapping one another, tiles on floor.