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Rod Cells PowerPoint Presentation

Rod Cells

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Rod Cells

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Presentation Transcript

  1. Rod Cells

  2. What do they do? • Responsible for our vision • Perception of light and dark • Adapt to night vision

  3. How do they work? • Retina; light-sensing structure • Chemical called rhodopsin creates electrical impulses

  4. Rods and cones create a formation of electrical impulses

  5. Travels to brain through optic nerve

  6. Where are they located? • Retina of the eye • Contains two types of cells

  7. What structures make them unique? • Rod cells are narrower than cone cells • High area for visual pigment • Synaptic terminal, inner segment, and outer segment.

  8. What diseases are they associated with? • Retinitis Pigmentosa is a group named for eye diseases • Some forms lead to night-blindness

  9. The End By: Zach Jones