Trichromacy
Trichromacy
Trichromacy (pronounced: tri-kro-muh-see) is a condition of the visual system where it is sensitive to three different parts of the spectrum, allowing for color vision. This condition is common in humans and some other animals.
Etymology
The term "Trichromacy" is derived from the Greek words "tri" meaning three, and "chroma" meaning color. It refers to the ability to perceive three primary colors: red, green, and blue.
Definition
Trichromacy is the state of possessing three independent channels for conveying color information, derived from the three different types of cone cells in the eye. Each type of cone cell responds to different wavelengths of light, allowing the perception of a wide range of colors.
Related Terms
- Color Vision: The ability of an organism or machine to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.
- Cone Cells: One of the two types of photoreceptor cells in the retina of the eye. They are responsible for color vision.
- Photoreceptor Cell: A type of neuron in the retina that is responsible for converting light into signals that can be processed by the brain.
- Spectrum: The range of colors that can be seen by the human eye, or more generally, the range of electromagnetic radiation that an object emits, reflects, or transmits.
See Also
External links
- Medical encyclopedia article on Trichromacy
- Wikipedia's article - Trichromacy
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