IN a recent paper, Galston 1 has shown that βindoleacetic acid, at concentrations of 1–10 p.p.m., inhibits the growth in the dark of excised stem tips of Asparagus, in contrast to its normal ...

Plant development is a dynamic process under precise hormonal control. Phytohormones are major regulators of cellular and developmental plasticity, translating environmental change into a ...

Testosterone is an example of a hormone that may have an immune-suppressing effect, while at least in chickens, the pituitary hormones prolactin and growth hormone are thought to stimulate and ...

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Hormones are small molecules or peptides that act in signalling between one cell or cell set and another. They are generally involved in high-level processes of an organism such as growth ...

In addition to metabolism, the hormones it releases also help with processes like bone growth, brain development, heart rate, digestion, muscle functioning, body temperature, menstrual cycles, and ...