title: Ultrastructure of the secondary cells in the Aplysia eye.
mesh_terms: D000818:Animals; D001369:Axons / Q000648:ultrastructure; D002395:Catecholamines / Q000032:analysis; D002467:Cell Nucleus / Q000648:ultrastructure; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005123:Eye / Q000032:analysis / Q000648:ultrastructure; D007365:Intercellular Junctions / Q000648:ultrastructure; D008974:Mollusca / Q000648:ultrastructure*; D009685:Nuclear Envelope / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure; D010860:Pigments, Biological; D013569:Synapses / Q000648:ultrastructure
chemical_list: D002395:Catecholamines; D010860:Pigments, Biological