Hairbulb

Hairbulb

The root of a strand of hair from which the color develops.
Mentioned in: Albinism
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One approach to promote tyrosinase maturation in melanocytes in culture is to increase the levels of tyrosine or L-DOPA, which accounts for an early observation, prior to genetic classification of albinism, that hairbulbs incubated in high levels of tyrosine could indicate whether the type of OCA was tyrosinase-negative (no increase in melanin) or -positive (heavily pigmented hairbulbs post incubation).
Biology and genetics of oculocutaneous albinism and vitiligo--common pigmentation disorders in southern Africa

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