A common ornamental tree planted along sidewalks and in gardens throughout the world, Ginkgo biloba--also called the maidenhair tree--has been considered a source of herbal medicine for millennia.
Kynurenine pathway (KP), the quantitatively main branch of tryptophan metabolism, has long been considered a source of nicotinamide adenine dinucleotide, although several of its products, the so-called kynurenines, are endowed with the capacity to activate glutamate receptors, thus potentially influencing a large group of functions in the central nervous system (CNS).
Traditionally, the government has "been considered a source of moral authority, official legitimacy and political stability…and …political language has been vested with an intrinsic instrumental value: its control represents the most suitable and effective way first to codify, and then widely convey, the orthodox state ideology" (Marinellin 2012: p26).
Unpasteurized milk and processed dairy foods from infected animals have been considered a source of infection for the general population, and infected carcasses as a source of infection for workers in the meat-packing industry.
MRSA primarily causes human disease and animals have not, until now, been considered a source of infection.
Tetraploid peanut is thought to have arisen approximately 3,500 years ago [ 10], and its short history has been considered a source of lower levels of polymorphism compared with diploid Arachis species [ 11].
These seats, while not including veto power, are considered a source of great pride.
And utter wrongness seems to be no disqualification for being considered a source of wisdom.
I do know that now my work is considered a source that young architects look at and try to emulate.
Uptown, the immigrant Jews of the Lower East Side were considered a source of antisocial behavior that threatened the entire city.
Purslane (Portulaca oleracea) could be considered a source of omega-3 polyunsaturated fatty acids (PUFAs).
