Local Factors Affecting Rodent Hair Cycles
The spontaneous but intermittent activity of hair follicles, which “switch on” at the beginning of each anagen period and “switch off” at its end, could be explained were an inhibitory substance to accumulate during anagen and disappear during the resting phase of the hair cycle (Chase, 1954; Chase and Eaton, 1959; Bullough, 1965). However, the activity could equally well be accounted for by the accumulation of a stimulant during telogen and its dispersal during the active phase (Argyris, 1962).
KeywordsHair Follicle Hair Cycle Early Anagen Spontaneous Cycle Autoradiographic Data
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