Sentence examples for regulatory substances from inspiring English sources

Other subtle growth regulatory substances specific for various organ systems may eventually be discovered.

The development of coloration often depends upon regulatory substances (hormones) secreted by endocrine glands.

Each blastomere inherits a certain region of the original egg cytoplasm, which may contain one or more regulatory substances called cytoplasmic determinants.

The endostyle corresponds to the thyroid in vertebrates, since it seems to produce iodinated, tyrosine molecules, which may function as regulatory substances, much like hormones, in amphioxi.

The meaning of the term hormone has been extended beyond the original definition of a blood-borne secretion, however, to include similar regulatory substances that are distributed by diffusion across cell membranes instead of by a blood system.

Some of the most striking examples of increases in cell size in animals take place during stimulation of endocrine organs, which secrete regulatory substances called hormones; when the thyroid gland is stimulated, for example, the individual cells of the gland may increase dramatically in size.

To be more precise, such an approach could use the change of different parameters (e.g. differences in size, shape, surface) to decide on the regulatory substance identity.

We will be in a world where regulatory substance fades to black, and all that is left is a broadband provider's toothy grin and those oh so comforting words: we have every incentive to do the right thing.

Whether indeed sleep-regulatory substances are released cortically by the polarizing effect of stimulation, or by the stimulation-induced EEG rhythms in a fashion similar to the activity-dependent release of sleep-regulatory substances, has yet to be investigated [32], [33].

That loss frustrated John Womble, manager of the state's controlled substances regulatory agency, who had won the support of the state medical society, only to have the bill opposed by drug stores and some pharmacy chains.

However, the regulatory frameworks for substances differ with respect to the inclusion of metabolites or transformation products in PBT identification.