The presence of histamine and noradrenalin in nerves as related to their content of myelinated and unmyelinated fibers.
D006632:Histamine; D006801:Humans; D009186:Myelin Sheath; D009638:Norepinephrine
D006632:Histamine; D009638:Norepinephrine
ARTERENOL; HISTAMINE; NERVES