Certain genes can be switched off to prevent melanocytes from maturing.

某些基因可以被关闭以防止黑素细胞成熟。

The melanocytes make the pigment, which is then packed into small packets of pigment called melanosomes.

黑素细胞制造色素，后将其包装成称为黑素包色素。

How long your melanocytes last—and therefore when you “go gray”—is mostly determined by your genetics.

你黑素细胞能持续多久——以及你何时“变白” ——主要取决于你基因。

Each hair gets its color from melanin, a pigment made by specialized cells called melanocytes in hair follicles.

每根头发颜色都来自黑色素， 黑色素是一种由毛囊中称为黑素细胞特殊细胞制成色素。