An Ultrastructural Study on the Retina of the Blind Cave Fish (Astyanax hubbusi)

Abstract

The retinal layers of the blind cave fish, Astyanax hubbsi were studied by electron microscopy. In the pigment epighelium, myeloid bodies are present. Disoriented outer segments and short inner segments are observed. A few synaptic ribbons and vesicles are located in the plexiform layers. Large amount of glycogen particles are seen in the Müller fiber surrounding the neuronal cells.