Developmental toxicity to TCDD-like congeners in fish, birds, and mammals, and
reproductive toxicity in mammals are reviewed. In fish and bird species, the developmental …

Endogenous and exogenous estrogens undergo extensive oxidative metabolism by specific
cytochrome P450 enzymes. Certain drugs and xenobiotics have been found to be potent …

Publisher Summary This chapter reviews recent studies on metamorphosis from the
perspective of hormonal control. It also focuses on biochemical and cell-biological aspects …

The intracellular conversion of testosterone to estradiol by the aromatase enzyme complex
is an important step in many of the central actions of testosterone. In rats, estrogen given …

Four sequential, interrelated studies of the relationship of menstrual cycle phase to three-
dimensional mental rotations performance were conducted, using both between-and within …

Intrauterine hormones and position with respect to male and female littermates influence
sexually dimorphic adult behavior in litter-bearing animals. Opposite-sex dizygotic twins …

The aromatase (estrogen synthetase) enzyme catalyzes the conversion of androgens to
estrogens in peripheral tissues, as well as in the brain. Our study aimed at comparing the …

Estrogen exposure during critical periods of development promotes androgenization of the
brain, which is reflected in altered morphology, behavior, and cyclic hormone secretion in …

Dermatoglyphic prints and salivary samples were taken on a sample of 39 adult males. A
statistical relationship between dermatoglyphic asymmetry and adult testosterone levels as …

Synopsis Finasteride is a novel therapeutic agent that selectively inhibits the enzyme 5α-
reductase, thereby reducing prostatic dihydrotestosterone (DHT) levels and prostate size. In …