. English: Eye of Planara torva. From Hesse Doflein. ect. ectoderm; nu. nucleus of pigment cell; cup-shaped pigment cell forming retina; special light-sensory nerve cells with fibrillae (ff.) extending to retina. Arrow indicates line of vision. 8 November 2014, 16:22:55. L. A. Borradaile and F. A. Potts. With chapters by L. E. S. Eastham and J. T. Saunders 41 Planaria torva eye

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Keywords: ., /., 8, 16, 22, 55., 2014, borradaile, november, pot