在浦肯野的众多发现中,其中一个是多巴胺能中脑神经元(现在我们知道,在帕金森氏病中,此种神经元退化)能够合成黑色素。
One of Purkinje's many observations was that dopaminergic midbrain neurons (which we now know degenerate in Parkinson's Disease) synthesize melanin.
大多数人只在沙滩上玩一天或者使用晒黑床一段时间不会被晒成古铜色的皮肤,因为黑色素的合成是需要时间的。
Most people don't tan after just one day at the beach, or one session in the tanning bed, because it takes time to make melanin.
给皮肤上色看起来很简单,但大自然却至少需要25种不同的基因来合成、包装及输送黑色素到人体各处以使皮肤和头发呈现不同颜色。
Coloring the skin may sound simple, but nature requires at least 25 different genes to synthesize, package and distribute the melanin pigment that darkens the skin and hair.
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