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Specialty. Ophthalmology. Dichromacy (from Greek di, meaning "two" and chromo, meaning "color") is the state of having two types of functioning photoreceptors, called cone cells, in the eyes. Organisms with dichromacy are called dichromats. Dichromats require only two primary colors to be able to represent their visible gamut.
Carotenosis is a benign and reversible medical condition where an excess of dietary carotenoids results in orange discoloration of the outermost skin layer. The discoloration is most easily observed in light-skinned people and may be mistaken for jaundice. [ 1][ 2]: 540 [ 3]: 681 Carotenoids are lipid-soluble compounds that include alpha- and ...
The post ‘Puppy-Dog Eyes’ Didn’t Evolve Just for Humans, Study Shows appeared first on DogTime. Pet parents would agree that it is hard to resist puppy-dog eyes. A recent study proved that ...
Despite their duller eyesight, dogs can be visually attracted to the content playing on a television screen. While we have three types of color-processing retinas in our eyes, dogs only have two ...
Slanna, a 10-year-old mixed breed, brindle and white dog, has lost both her eyes. She was found as a stray dog and brought to the privately run SPCA from the Wake County Animal Shelter.
Scotopic vision. In the study of visual perception, scotopic vision (or scotopia) is the vision of the eye under low- light conditions. [ 1] The term comes from the Greek skotos, meaning 'darkness', and -opia, meaning 'a condition of sight'. [ 2] In the human eye, cone cells are nonfunctional in low visible light.
This is a list of incidents of cannibalism, or anthropophagy, the consumption of human flesh or internal organs by other human beings.Accounts of human cannibalism date back as far as prehistoric times, and some anthropologists suggest that cannibalism was common in human societies as early as the Paleolithic.
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