| 31. | The visual defects are due to photoreceptor dystrophy.
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| 32. | The ciliary photoreceptor cells resemble molecularly and morphologically the cones of the human eye.
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| 33. | Humans and other species with three such types of color photoreceptor are known as trichromats.
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| 34. | Each photoreceptor cell consists of two main sections, the cell body and the rhabdomere.
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| 35. | When light hits a photoreceptive pigment within the photoreceptor cell, the pigment changes shape.
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| 36. | Thus, a rod or cone photoreceptor actually releases less neurotransmitter when stimulated by light.
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| 37. | Therefore, the response of a single photoreceptor is ambiguous when it comes to color.
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| 38. | Their method of action is simply as follows : melatonin activates rod photoreceptor disc shedding.
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| 39. | These eyes contain more photoreceptor cells that are shaded by pigment cells forming a cup.
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| 40. | Ribbon synapses are found in retinal photoreceptor cells, retinal bipolar cells, and pinealocytes.
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