Differentiation in the eye of a pulmonate snail Helix aspersa.
D000818:Animals; D002454:Cell Differentiation; D004475:Ectoderm / Q000166:cytology; D004625:Embryo, Nonmammalian; D005123:Eye / Q000196:embryology*; D007908:Lens, Crystalline / Q000196:embryology; D008854:Microscopy, Electron; D009940:Organoids; D011984:Sensory Receptor Cells / Q000196:embryology; D012908:Snails