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Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1][2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3]: 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...
The Duke University School of Medicine, commonly known as Duke Med, is the medical school of Duke University.It was established in 1925 by James B. Duke.. The School of Medicine, along with the Duke University School of Nursing, Duke University Hospital, Duke Regional Hospital, Duke Children's Hospital, Duke Raleigh Hospital, and other affiliated hospitals, clinics, and laboratories, make up ...
In the tradition of the fourteenth century, inspired by the design of ancient coins, the two figures are shown in profile, an angle that ensured a good likeness and a faithful representation of facial details without allowing their sentiments to show through: indeed, the Duke and Duchess [sic] of Urbino appear unaffected by turmoil and emotions ...
The Martin–Schultz scale is a standard color scale commonly used in physical anthropology to establish more or less precisely the eye color of an individual; it was created by the anthropologists Rudolf Martin and Bruno K Schultz in the first half of the 20th century. The scale consists of 20 colors [1] (from light blue to dark brown-black ...
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.
Signature. Marion Robert Morrison[1][a] (May 26, 1907 – June 11, 1979), professionally known as John Wayne and nicknamed " the Duke ", was an American actor who became a popular icon through his starring roles in films which were produced during Hollywood's Golden Age, especially in Western and war movies. His career flourished from the ...
Dilated fundus examination (DFE) is a diagnostic procedure that uses mydriatic eye drops to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye. [1] Once the pupil is dilated, examiners use ophthalmoscopy to view the eye's interior, which makes it easier to assess the retina, optic nerve head, blood vessels ...
The Martin scale is an older version of color scale commonly used in physical anthropology to establish more or less precisely the eye color of an individual. It was created by the anthropologist Rudolf Martin in the first half of the 20th century. Later he improved this scale with cooperation of Bruno K. Schultz, leading to the Martin-Schultz ...