Sympathetic innervation around melanocyte stem cells (IMAGE)

Harvard University

Sympathetic innervation around melanocyte stem cells

Caption

Elaborate sympathetic innervation (magenta) around melanocyte stem cells (yellow). Acute stress induces hyperactivation of the sympathetic nervous system to release large amount of the neurotransmitter norepinephrine. Norepinephrine drives rapid depletion of melanocyte stem cells and hair greying.

Credit

Hsu Laboratory, Harvard University

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