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pro vyhledávání: '"Philip Villa"'
Autor:
Philip Villa, James P. Butler, Sean P. Dunn, Irving Zucker, Jin Ho Park, Justin J. Trumbull, Matthew P. Butler, Kevin W. Turner
Publikováno v:
American journal of physiology. Regulatory, integrative and comparative physiology. 293(1)
Photoperiodism research has relied on static day lengths and abrupt transitions between long and short days to characterize the signals that drive seasonal rhythms. To identify ecologically relevant critical day lengths and to test the extent to whic
Autor:
Morgan K. Burke, Matthew J. Paul, David M. Routman, Elanor E. Schoomer, Dennis P. Kim, Jin Ho Park, Matthew P. Butler, Philip Villa, Irving Zucker
Publikováno v:
Hormones and behavior. 52(2)
In most mammalian species, reduced androgen availability is associated with marked reductions in male sexuality; conversely, androgen replacement in castrated males restores sex behavior within a few weeks. Testosterone (T) pulse duration, amplitude,