Pinocytosis in eyes of a snail, Helix aspersa.
D000818:Animals; D003624:Darkness; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D005123:Eye / Q000648:ultrastructure; D006372:Helix, Snails / Q000502:physiology*; D008027:Light; D008854:Microscopy, Electron; D008871:Microvilli / Q000648:ultrastructure; D009799:Ocular Physiological Phenomena; D010873:Pinocytosis; D014617:Vacuoles / Q000648:ultrastructure