rod: Quick Facts

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Photos

Diagram showing the structure of rod and cone cells in the eye, with labeled parts including outer and inner segments, mitochondria, nucleus, and synapse. A detailed view of the rod's outer segment highlights lamellar particles, free-floating disks, ciliary fibrils, and membrane folds, illustrating photoreceptor anatomy involved in vision.

Diagram showing the layered structure of the human retina, with labeled optic nerve fibers, ganglion cells, bipolar neurons, rod cells, cone cells, and pigmented epithelium at the base.

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Topics

scotopsin Rhodopsin porphyropsin metarhodopsin prelumirhodopsin lumirhodopsin channelrhodopsin-2 neuroepithelium retina blind spot macula lutea cone

Key People

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George Wald

American biochemist