Sentences with phrase «chemical signals from»

One variety of fish, called the gobi, acts as a bodyguard when it receives chemical signals from the coral indicating danger.

This tissue can then grow and respond to chemical signals from the brain to produce the hormones that cause the heat cycle.

dendrite Projection from a neuron that is involved in receiving chemical signals from neighboring cells.

This video shows an agent - based model of an immune cell receiving chemical signals from other cells.

For instance, stem cells seem to pick up chemical signals from surrounding bone cells about when to divide and what types of cells to create.

Male flies become aroused when they sense certain chemical signals from a female, and this leads to courtship behavior that includes a song generated by wing vibration.

«How good bacteria control your genes: Chemical signals from gut bacteria influence gene regulation in the gut lining.»

The toxin blocked the chemical signals from nerves which were instructing the sphincter to contract.

Palmitate allows these proteins to transfer chemical signals from outside the cell to inside via the cell membrane.

In other organisms, there is instead a signaling mechanism: An embryonic cell receives chemical signals from neighboring cells that activate (or repress) the genes that allow for germ - line function.

What was especially «exciting» about this finding, he says, is that these variations were near a neural highway that previous studies have shown helps regulate life span in worms and flies, and that stopping chemical signals from this brain pathway extends the life span of mice.

It targets nicotinic 42 receptors (see «Mixed signals»), which normally receive chemical signals from the neurotransmitter acetylcholine.

Puffing didn't induce varicosities along the lengths of dendrites, the parts of neurons that receive chemical signals from neighboring nerve cells.

Researchers at Bonn University, together with collaborators from the Sainsbury Laboratory in Norwich, identified a protein that allows plants to recognize a chemical signal from the worm and initiate immune responses against the invaders.

Not exact matches

These layers may be visible, related to the nature of the ice; or they may be chemical, related to differential transport in different seasons; or they may be isotopic, reflecting the annual temperature signal (for example, snow from colder periods has less of the heavier isotopes of H and O).

Vitamin B6 is a vital nutrient that helps with the production of several neurotransmitters; chemicals that carry signals from one nerve cell to another.

TENS encourages the release of endorphins (the body's own natural pain killing chemicals) whilst also blocking the pain signals from getting to the brain.So what's the de...

Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes of Health.

One of the most prominent was Senate Majority Leader Mitch McConnell, who on Friday tweeted out his support for Trump's strike, writing, «This was a clear signal from America that Bashar al Assad can no longer use chemical weapons against his own people with impunity.»

It is the latest signal from a global company that we can make the UK the place for chemical businesses to invest.

Mitochondria, specialized organelles found in nearly every cell of the body, use cellular respiration to generate one of the most important sources of chemical energy — adenosine triphosphate (ATP), a versatile nucleotide that powers everything from cell division to cell signaling to transportation of large molecules across the cell membrane.

Based on their results and evidence from other studies on addiction and the hippocampus, the authors suggest an intriguing explanation for addiction: newborn neurons in the hippocampus inhibit the release of dopamine, one of the major chemical messengers that act as a reward signal.

Bees communicate in large part through chemical pheromones, with different odors signaling everything from alarm to an individual bee's status.

By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.

But even if a habitable Earth - like world is found first from the ground, it will most likely take a space observatory to search for the chemical signals that tell us what we really want to know: Is anything living out there?

The team discovered that the activation of these CRH neurons causes the release of a chemical signal, an «alarm pheromone», from the mouse that alerts the partner.

At a critical threshold of the incoming light's intensity, the signal is exponentially amplified, and the laser light imprinted with the chemical's signature emerges from the sample in all directions.

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).

Preti is hot on the scent of the human armpit because he believes that secretions from the so - called axillary region harbor pheromones, airborne chemical signals that influence mating, dominance, familyties, and maturation in other species of the animal kingdom.

Typical blood glucose testing strips also contain a molecule that ultimately amplifies the signal from the chemical reactions on the strip enough to register electronically on a monitoring device.

While it's unclear what female characteristics are driving the choices, chemical signals, and female receptivity (speed from courtship to matting) appear to be factors.

The authors note that more work must be done, however, because only one of these species engaged in a full cycle of listening and speaking in which the artificial cells sensed the molecules coming from the bacteria, and the bacteria could perceive the chemical signal sent in return.

Next, the researchers wanted to see if blocking the GluR1 receptors from receiving signals from the chemical messenger glutamate would allow the mice given alcohol to forget their fear by dissociating the emotional response from the memory.

In another test, the researchers looked to see if chemical signals released from the endothelial cells would cause the media layer to relax and constrict, as they do in the human body.

In the brains of all vertebrates, information is transmitted through synapses, a mechanism that allows an electric or chemical signal to be passed from one brain cell to another.

The communication signals are in the form of airborne chemicals released mainly from the leaves.»

The researchers engineered a strain in which a Synechococcus gene normally turned on during photosynthesis signals its activity by switching on the gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.

Blood samples from infants who died of Sudden Infant Death Syndrome (SIDS) had high levels of serotonin, a chemical that carries signals along and between nerves, according to a study funded in part by the National Institutes of Health.

They speculate that this chemical signal is released from the axon itself, and they currently are working to determine the identity of this chemical signal.

As many as 20 % of people who develop sepsis will die, not from the infection itself — but from the overload of inflammatory chemical signals created by the immune system which ultimately leads to organ failure.

Studies in animals indicated that in branches of the nerve that exit from the back of the brain and wrap around various parts of the face and head, overactive cells would respond to typically benign lights, sounds and smells by releasing chemicals that transmit pain signals and cause migraine.

A chemical interaction with target molecules subtly alters the magnetic signal from the xenon; by detecting this change researchers can identify the molecules in a complex mixture.

The effect could even be passed from one animal to another with a blood transfusion, suggesting that the squeezed limb released some sort of beneficial chemical signal into the blood.

Further testing in the laboratory dish showed that hematopoietic stem cells from the sleep - deprived mice responded less strongly than their peers to naturally occurring chemical signals that trigger cellular migration.

This transformation is triggered by chemical signals, which could be blocked in order to stop cancer cells from spreading.

Looking forward, the researchers are now hoping to examine other Ediacaran sediments from around the globe to verify the rapid reversals» signal, along with hunting for biological or chemical evidence for high doses of UV radiation in the fossil record.

From there, the chemical races into the brain's appetite centre, in the hypothalamus, and shuts down neurons involved in signalling hunger, Shulman's team found.

Alterations in the genetic coding for a nerve cell receptor, which detects a chemical signal that is key to behavioral change, could point the way to designing therapies most effective for patients suffering from schizophrenia, drug addiction and other mental illnesses.

Lu's team settled on a biological program that rewrites a living cell's DNA when the cell senses a signal — from a flash of light to the presence of a chemical.

Rose and neuroscience doctoral student Rishi Alluri used a novel combination of recording electrical activity of single brain cells and blocking neurotransmitter chemicals that carry nerve signals from one nerve cell or neuron to the next.