Sentences with phrase «electrical nerve impulses»
The macula is densely packed with photoreceptor cells called rods and cones that react to light and send electrical nerve impulses to the optic nerve and into the brain.
http://www.closerlookatstemcells.org/ Not exact matches
They send a high level of electrical impulses from peripheral nerve endings to the brain, which could produce an anti-depressant effect.
Reductionist analyses are analyses of the objective aspects of living organisms such as the conduction of electrical impulses in nerves or the biochemistry of the formation of blood.
Potassium is an electrolyte that acts as a messenger carrying the electrical impulses that stimulate our nerves and muscles.
Nerve cells communicate by means of electrical impulses, which are transmitted along neural processes known as axons.
Scores of laboratories at universities and in private industry are uncovering how to use these cells, which transform into neurons, astrocytes (the cells that regulate transmission of electrical impulses in the brain) and oligodendrocytes (which insulate nerve fibers with a fatty coating).
The myelin sheath's role is to rapidly move electrical impulses along nerves, and if it is damaged — or demyelinated — then nerve function is compromised.
It wasn't easy: unlike nerve cells, immune cells don't use tiny electrical impulses to communicate.
That's when two researchers at Uppsala University, Åke Vallbo and Karl - Erik Hagbarth, discovered the process of microneurography and used it to record electrical impulses from people's peripheral nerves.
The first step is to create an «adapter cord» that can translate the body's nerve impulses into electrical signals that can be processed by the prosthetics.
Researchers at Linköping University in Sweden have discovered a previously unknown molecular binding site that can influence electrical impulses in nerves.
When enough ions have flowed into the nerve cell, an electrical impulse is released and transmitted along the nerve.
Researchers at the Niels Bohr Institute at the University of Copenhagen have now conducted experiments that raise doubts about this well - established model of electrical impulses along the nerve pathway.
The answer is that they all affect the ability of nerves to transmit electrical impulses by affecting the ion channels in nerves.
Specifically, the research sheds light on the role of RPM - 1 in the development of axons or nerve fibers — the elongated projections of nerve cells that transmit electrical impulses away from the neuron via synapses.
In the 19th century, the pioneering neuroanatomist Santiago Ramón y Cajal theorized that information was processed in our heads each time an electrical impulse traveled across a synapse, the gap between one nerve cell and the next.
In 2004, surgeons placed a tiny 100 - electrode array in his primary motor cortex, the brain region that controls voluntary movement, to collect electrical impulses from nerve cells and send them to a series of signal processors.
Action potentials, also known as nerve impulses, are electrical messages sent from our brains to other organs and muscles; for instance, nerves in the brain transmit action potentials through neural networks to direct our arm muscles to contract in order to call into action our hands to lift or hold an item, a primary research focus at the Columbia Motor Neuron Center, to which both the Zhang and Wichterle labs are affiliated.
Specialised cells that could carry messages using electrical impulses and chemical signals — the first nerve cells — arose very early on.
The researchers performed a «heart block» on 13 pigs by disabling the nerve bundle that conducts electrical impulses between the atria and ventricles.
The cells respond to vibrations by producing electrical impulses that travel via nerves to the brain.
These nerve cells, known as retinal ganglion cells (RGCs), use electrical impulses to send visual information — entering the eye through the optic nerve — to the brain where images are perceived.
The myelin sheath enables rapid conduction of electrical impulses, and its appropriate organization is critical for proper nerve activity.
When a nerve cell is activated, it sends an electrical impulse down its axon to the terminal, which stimulates a vesicle within the terminal to migrate to the terminal's surrounding membrane.
nerve cells Special cells that transmit electrical impulses.
They form sheaths around axons, the tail - like parts of nerve cells that carry electrical impulses.
Her team is currently examining the ion channels that open and close to allow the flow of ions as electrical impulses pass along the nerve cell membrane.
V2a interneurons are, in fact, some of the longest cells in the body, able to extend their axon — the nerve fibers that transmit electrical impulses — across several vertebrae.
Recent studies of various mouse strains showing «striking differences» in the repair of axons — the long, slender projections in nerve cells that conduct electrical impulses — could be applied to human cells «to identify biomarkers of central nervous system repair potential and provide new targets for intervention,» he says.
Skin cells, for example, are small and compact, while nerve cells that enable you to wiggle your toes have long, branching nerve fibers called axons that conduct electrical impulses.
Because nerve cells, which send electrical impulses and neurotransmitters (think serotonin and dopamine), are rich in DHA, omega - 3s protect nerve cells from damage and indemnify normal, healthy communication between brain cells and the body's nerves, which can impact mood and ha been linked to depression severity.
The resulting amount of electrical impulses from peripheral nerve endings in the skin affect the brain en masse.
Electrolytes are important because they are what your cells (especially nerve, heart, muscle) use to maintain voltages across their cell membranes and to carry electrical impulses (nerve impulses, muscle contractions) across themselves and to other cells.
Along with potassium, they create a membrane potential, or electrochemical gradient, between cells; the resulting electrical charges carry nerve impulses, contract muscle cells and help regulate your heartbeat.
Maintaining an optimal nervous system improves the function of your retina, the part of your eye that contains the nerves that convert images into electrical impulses for your brain to interpret.
They also carry electrical impulses across the cell and to neighboring cells in order to promote muscle contractions and nerve impulses.
It is an important electrolyte that helps our cells maintain the electrical impulses needed to deliver nerve impulses and muscle contractions.
For example, fats are critical for brain and nervous system function because the myelin (a sheath around nerve fibers that that electrical impulses are transmitted) is made of essential fatty acids.
It provides insulation around nerve cells that transmit electrical impulses, thus maintaining healthy communication in the brain.
It also helps your nerves send the small electrical impulses required for nerve function, and it contributes to blood vessel function.
Potassium regulates the electrical impulses that keep muscles and nerves working properly; calcium stimulates heart muscles to contract; and magnesium stimulates them to relax.
His work did lead to the discovery of electrical impulses in nerve tissue — all living things generate a kind of electricity throughout the body — especially the brain.
The inner ear includes not only the nerve endings that transform mechanical movement into electrical impulses and carry auditory messages to the brain, but it also includes the organ of balance.
Electrostimulation is using an electrical impulse to a nerve within a muscle...
Since these electrical impulses are generated in the neurons and are sent straight to target organs, the abnormal, uncontrollable, and uncoordinated firing of nerve impulses can be readily seen in the said organs.
When this protective sheath is too thin, as in hypomyelination, the electrical impulses can get lost between nerves and cause the nerves and corresponding muscles to malfunction.
During a seizure, tiny areas of your pet's brain begin sending out electrical impulses that are received by the nerve cells that adjoin them.
During an epileptic seizure random electrical impulses are sent from the nerve cells of your pet's brain to muscles throughout its body.
Chronic Pain — MSM, by stimulating the activity of cortisol (a natural anti-inflammatory hormone dogs produce), blocks the transfer of electrical pain impulses through the nerve fibers.
Curiously, cold showers seem to leave many feeling happy (I'd be more inclined to cry), and research suggests this comes from the surge in electrical impulses that travel from the nerve endings to the brain.