M-cones (medium-wave)

Category

Vision

Function

Daylight / green color channel

Quantity

Part of the ~12 million cones

Density

Same foveal peak as L-cones

Distribution

Co-distributed with L-cones; sparse in far periphery

Relative Deployment

Notes

Opsin peak ~530 nm. Together with L-cones they drive high-acuity photopic vision.

Interacting Systems & Components

• Photoreceptor (broader category)
• OPN1MW (photopigment gene)
• Nervous System (sensory signaling)