Sentences with phrase «chemical signals such»

Nutrients such as amino acids (the building blocks of proteins) and sugars and chemical signals such as hormones hitch a ride in the plasma and are carried throughout the body.

Unlike many other species, male hunting spiders do not use chemical signals such as sex pheromones to attract a mate.

Not exact matches

The human body has about 1,000 kinds of such receptors, structures on the surface of cells, which let the body respond to a wide variety of chemical signals, like adrenaline.

In principle, Soloveichik says, the same formula can be used to produce more complex behavior, such as changing the clock's speed in response to chemical signals.

The second gene, TNFRSF6B, encodes a receptor related to those that bind tumor necrosis factor (TNF)-- a key chemical signal for triggering inflammation in IBD as well as in patients with other autoimmune disorders such as rheumatoid arthritis and psoriasis.

Similarly, the signals trigger an increase in toxic chemicals such as nitric oxide, quinolonic acid, and kynurenic acid, which are bad for the functioning of nerve cells.

About ten years ago, research results showed that things are not quite as simple as that: «Under most conditions, H2O2 is not an undesired side product but rather an essential chemical messenger that plays an important role in regulating the way in which body cells respond to signals from outside such as hormones and growth factors,» says Dr. Tobias Dick of the German Cancer Research Center (Deutsches Krebsforschungszentrum, DKFZ).

We know other mammals use chemical signals to communicate things such as identity, sex, social status and reproductive state.

Certain chemical pollutants can trigger such changes by mimicking or altering the action of the body's hormones, important signaling agents.

By showing that cancer cells were not autonomous and self perpetuating, as previously believed, but were dependent on chemical signals, such as hormones to grow and survive, and that depriving cancer cells of those signals could restore the health of patients with widespread metastases, Dr. Huggins provided an immense stimulus to research on cancer chemotherapy.

Scientists suspect that it inhibits the chemical signals within the brain that convey pleasure when people use drugs such as alcohol or nicotine.

These chemical signals consist of both classical «fast acting» neurotransmitters such as glutamate and GABA that signal across synapses in milliseconds, as well as more than 100 diverse neuromodulators that can act on longer timescales.

If you want to change how and what you eat, you have to control the signals to your brain The science: Many weight - loss strategies are designed to control food instincts after they have been activated (such as eating your chips mindfully after they have already set off dopamine - addiction chemicals).