Androgen and estrogen levels in the plasma of Pleurodeles waltl, Michah., during the annual cycle. I. Male cycle.

@article{Garnier1985AndrogenAE,
  title={Androgen and estrogen levels in the plasma of Pleurodeles waltl, Michah., during the annual cycle. I. Male cycle.},
  author={Damien Garnier},
  journal={General and comparative endocrinology},
  year={1985},
  volume={58 3},
  pages={376-85}
}
Sex steroid levels in the plasma of the male Pleurodeles waltl were determined by radioimmunoassay of blood samples taken monthly from each newt during an 18-month period. Androgen levels varied according to season with annual peaks in October-November and in March. The position of these two peaks was the same in the 2 years studied. Testosterone was the principal androgen measured, while the levels of dihydrotestosterone and 4-androstenedione were lower but fluctuated in parallel with that of… CONTINUE READING