| Answer | Crossword Clue |
|---|---|
| RODS | Some retinal cells |
| RODS | Retinal cells |
| ocelli | type of simple eye common to invertebrates, consisting of retinal cells, pigments, and nerve fibers |
| stemma | type of simple eye common to invertebrates, consisting of retinal cells, pigments, and nerve fibers |
| stemmata | type of simple eye common to invertebrates, consisting of retinal cells, pigments, and nerve fibers |
| ommatea | arthropod eye subdivided into many individual, light-receptive elements, each including a lens, a transmitting apparatus, and retinal cells |
