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Fig. 2 | Evolution: Education and Outreach

Fig. 2

From: The Origin of the Vertebrate Eye

Fig. 2

The hagfish and its retina. a The New Zealand hagfish, Eptatretus cirrhatus. b The head region of the same species. In a and b, the prominent pale patch is the translucent skin beneath which the hagfish “eye” is buried. c The retina of the hagfish, Eptatretus stouti, viewed using light microscopy; OS outer segments; RC receptor cells; OFL outer fiber layer (=outer plexiform layer); IC inner cells (=retinal ganglion cells); IFL inner fiber layer; V vitreous. The images are reproduced with permission as follows: a Dr Paddy Ryan ©Ryan Photographic; b ©Australian Museum, photo Mark McGrouther; c from Holmberg (1977), reproduced by permission of Springer

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