Figure 2.

Eye development. Descriptions and schematic drawings of stage-defining eye-structures of the three stages of the eye-development period, along with examples for each stage. (A) Optic-vesicle stage in N. ophidion. (B) Optic-cup stage in S. abaster. (C) Eye-pigmentation stage in N. ophidion. All embryos were dechorionated prior to photographing. Scale bars are 0.5 mm.

Sommer et al. BMC Developmental Biology 2012 12:39   doi:10.1186/1471-213X-12-39
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