Sentences with phrase «as nerve cells»

At that point it is usually too late to react as nerve cells and brain tissue have been irreparably damaged and destroyed.

He feels that sleeping clears away the information signals that build up in our brain during the day as our nerve cells fire away and buildup messenger molecules that carry information.

Others (such as nerve cells) are programmed to survive the lifetime of the individual and are seldom replaced.

Astrocytes have long played second fiddle to neurons — also known as nerve cells — in research studies.

It aids neurons, also known as nerve cells.

The answer was yes: They found cells with markers from all three major body cell types, called germ layers: ectoderm (such as nerve cells), mesoderm (muscle and blood vessel cells), and endoderm (kidney cells).

Understanding this process - which is particularly important when cells are first taking on specialized identities such as nerve cells, muscle, skin, and so on - helps explain how complex organisms can arise from a finite number of genes.

Mobility problems and cognitive impairments may arise as the nerve cells become damaged.

Scientists long thought the transition from swimming to walking happened when fish transitioned from sea to land, as nerve cells gradually activated more and more specific muscles, taking the trunk muscles and wiggling spine out of the equation.

Not exact matches

The difficulties associated with obtaining nerve tissue at the correct stage of development and differentiation from aborted embryos means that foetal tissue transplantation is no longer in favour, but the creation of human embryos specifically as sources of stem cells, and the push to use «spare» embryos from IVF treatments is gatheringmomentum.

Thus, at the lowest level, electrons tend to unite and converge in the atom; atoms converge by molecularization, crystallization; molecules unite by polymerization; cells unite by conjugation, reproduction, association; nerve ganglions concentrate and localize to form a brain by what might be called a process of cephalization; the higher animal groups form colonies, hives, herds, societies, etc.; man socializes and forms civilizations as foci of attraction and organization.

However, the lowliest worms have sense organs, nerve cells and nerve centers, and these cells function more or less in the same manner as those of higher animals.

Deterioration of nerve cells such as we see in advanced senility also has an effect on conduct.

Did it started off as a mass of white ball, then it slowly started developing nerves, retina, a cornea, and essentially a complex apparatus for capturing light and transmitting it via nerve cells to the brain?

In a similar vein Mr. Percival Lowell writes: «When we have, as we say, an idea, what happens inside of us is probably something like this: the neural current of molecular change passes up the nerves, and through the ganglia reaches at last the cortical cells....

If we could but restore or bring about the normal functioning of brain cells and nerve tissues, as well as their own subsidiary chemical activity in such cases, then mental life would come flooding back in fullness and richness.

In many nerve cells, magnesium serves as Nature's own calcium channel blocker, preventing calcium from rushing into the nerve cell and activating the nerve.

If fibrin excess can trigger unwanted inflammation in nerve tissue and increase breakdown of the myelin wrapping the nerve cells (a process that is usually referred to as demyelination), health problems like multiple sclerosis (in which there is breakdown of the myelin nerve sheath) may be lessened through reduction of excess fibrinogen and / or fibrin.

Typically, vitamin B - 12 is found only in animal foods, making it a difficult nutrient for vegans to get in their diet, but it's essential for making red blood cells, as it keeps your nerve cells healthy and is essential for forming DNA.

Blueberries also stimulate the growth of new nerve cells and facilitate better communication between nerve cells via a process known as transduction.

Capsaicin only inflames human cells because heat - detecting proteins in our nerve endings called TRPV1 receptors become activated in the chemical's presence, mistakenly interpreting capsaicin as a sign of extreme heat, and sending the body's burn defenses into overdrive.

While you are making adjustments for your changing shape, there are a lot of changes going on inside your womb as your baby, who was just a cluster of cells a couple of months ago, has organs, nerves, muscles and is looking more like a little person.

Within the brain are billions of nerve cells, known as neurons.

Using the mouse as an experimental model, LMU neurobiologist PD Dr. Conny Kopp - Scheinpflug and her research group have now demonstrated that the activity of nerve cells in the auditory system has a direct effect on myelinization — higher levels of activity correlate with the formation of thicker myelin sheaths.

Because its powerful technology can measure microstructural features in the brain, such as the diameter of nerve cell axons, it enables researchers to answer entirely new questions, says CUBRIC director Derek Jones.

Healthy people in their 70s have just as many young nerve cells, or neurons, in a memory - related part of the brain as do teenagers and young adults, researchers report in the April 5 Cell Stem Cell.

As the cochlea's fluid moves, about 15,000 hair cells sitting in it, each tuned to a particular frequency, pick up the motions; the cochlear nerve translates the movements into auditory messages that are sent to the brain.

These symptoms arise because nerve cells producing the neurotransmitter dopamine, located in an area of the brain known as the substantia nigra, slowly die.

Lowered density usually means that nerve - cell bodies, known as gray matter, or the material around them, have thinned out or died.

Nerve cells communicate by means of electrical impulses, which are transmitted along neural processes known as axons.

If left to accumulate, this «junk» can overwhelm nerve cells» quality control systems, triggering incurable brain disorders such as Alzheimer's, Parkinson's and Huntington's.

Nerve cells communicate with each other through two mechanisms, referred to as fast and slow synaptic transmission.

Neutrophils are one of the most common types of immune cells and known to engulf microorganisms, but they are not normally associated with peripheral nerve damage, such as that caused by diabetes or trauma.

In past projects, scientists have tried to derive various types of differentiated cells from stem cells — such as bone, tissue, nerves or fat — directly from hiPSCs.

Brain cells translate that genomic gobbledygook into rogue proteins, which do bad things inside nerve cells and eventually trigger symptoms, such as involuntary movements.

Brains consume about as much power as a lightbulb, yet can perform calculations that computers still can't match, thanks to large interconnected networks of nerve cells.

This type of inflammation between 18 and 32 weeks of gestation in humans has been linked to preterm birth as well as an imbalance of immune cells in the brain of the offspring and even death of nerve cells in the brains of those children.

BRAIN CANDY A new database offers a deep look at living human nerve cells, revealing elaborate branching structures and myriad shapes, such as in this neuron called a pyramidal cell (cell image, left and 3 - D computer reconstruction, right).

So far, researchers with the Allen Institute for Brain Science in Seattle have described the intricate shapes and electrical properties of about 100 nerve cells, or neurons, taken from the brains of 36 patients as they underwent surgery for conditions such as brain tumors or epilepsy.

Yu said the impairment of sensory nerve regeneration in diabetic corneas is due to decreased ciliary neurotrophic factor, as evidenced by the fact that dendritic cells express ciliary neurotrophic factor (CNTF) in normal and healing corneas but decrease in diabetic corneas due to the reduced infiltration of dendritic cells.

Previous studies have pointed to immune cells called macrophages as the primary immune cell responsible for engulfing and breaking down nerve debris.

The problems can be traced to loss of nerve cells in the brain areas responsible for those capabilities — such as the basal ganglia, brain stem and cerebral cortex.

Nerve cells in our brains work together in harmony to store and retrieve short - term memory, and are not solo artists as previously thought, Western - led brain research has determined.

They included PTPRG, which encodes a protein that enables nerve cells to connect as they form nerve networks.

The nerve cells involved in this integration process and control of hormonal signals reside in an area of the insect brain known as the mid-Ventral Ganglion (mVG), which in turn communicates with a region of the central brain that is akin to the mammalian hypothalamus.

But the enzyme has other jobs in the brain, such as potentially affecting the ability of nerve cells to communicate properly.

The research is also the first to demonstrate beneficial effects of UDCA on dopaminergic neurons, the nerve cells affected in Parkinson's disease, in a fly model of Parkinson's disease which carries the same genetic change as some patients with the condition.

Together, the two studies advance the idea that gut microbes play a role in turning the immune system against nerve cells, causing MS.. It will take a lot more work to develop cures or preventive strategies based on that, but the research raises the intriguing possibility of treating an often - devastating disease with something as low - tech as fecal transplants or probiotics.

There was another intriguing connection: Acinetobacter are molecular mimics of proteins found in myelin, the nerve cell coating that the immune system attacks in MS.. That suggests the bacteria might trigger immune attacks that hit myelin, too, as when soldiers who inadvertently resemble the enemy get hit by friendly fire.

The researchers showed that mice with mutant huntingtin had mitochondria full of VCP, as did nerve cells donated by people with Huntington's disease.