title: The structure of a photoreceptor organelle in the eye of Pterotrachea mutica.
mesh_terms: D000818:Animals; D001369:Axons; D002462:Cell Membrane; D002467:Cell Nucleus; D002923:Cilia; D003593:Cytoplasm; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D005123:Eye / Q000166:cytology*; D008027:Light; D008858:Microscopy, Phase-Contrast; D008928:Mitochondria; D008974:Mollusca; D009411:Nerve Endings / Q000166:cytology*; D012160:Retina / Q000166:cytology*; D011984:Sensory Receptor Cells / Q000166:cytology*; D013569:Synapses