Sentences with phrase «calcium concentration»

None of the sites showed a decrease in calcium concentrations in the organic layer, and a few showed an increase.

After the second wave, however, the area of high calcium concentration begins sending out «flares» — directional streams of calcium uptake that spread farther into the surrounding tissue.

While this complex system allows for rapid and tight control of blood calcium concentrations, it does so at the expense of the skeleton (1).

Their exact conclusion was «an increase in serum calcium concentrations is associated with an increased risk of type 2 diabetes in individuals at high cardiovascular risk».

The less phosphorus in the diet, the higher urine calcium concentration will be.

Their high calcium concentration also means that they may be harmful for rabbits who have too much calcium in their body.

The nerve cell's activity was measured via concentration of calcium ion in the cell, and the team analyzed the changes in calcium concentration using a mathematical model.

Vitamin D is a hormone the kidneys produce that controls blood calcium concentration and impacts the immune system.

They found that, as with calcium channels, increasing calcium concentrations caused calmodulin to bind within the resemblance element of sodium channels and prevent their opening, just as in calcium channels.

The exact mechanism how dopamine enhances hGH is still being researched, however experts believe that it does so by increasing another hormone called GHRH which acts by increasing intracellular calcium concentration in pituitary cells which secrete growth hormone.

The high calcium concentration treatment during the day revealed genes associated with cell junction organization process exhibiting up - regulation (Fig. 4).

Urinary calcium concentration increased significantly with dietary calcium content (Stevenson et al. 2003a).

The parathyroid glands are responsible for maintaining this delicate balance and keeping the blood calcium concentration within an optimal range.

Finally, acute changes in blood calcium concentrations do not seem to elicit the secretion of the phosphaturic hormone fibroblast growth factor 23 (FGF - 23), which is produced by bone - forming cells (osteoblasts / osteocytes) in response to increases in phosphorus intake (see the article on Phosphorus)(2).

Monk notes, however, that other studies have shown that the swishing cilia also influence calcium concentrations, and it is possible that a similar effect is at work in developing mice.

He says that the new Icelandic numbers for the minimum vitamin D and calcium concentrations needed to protect our bones are low — in vitamin D's case, by 50 percent — compared with findings from studies conducted in North America and Europe.

Exposing S. pistillata to seawater with an elevated calcium concentration resulted in up - regulation of gene expression during the day relative to the night.

Four coral fragments of S. pistillata were incubated for 1.5 h in each of the two different calcium concentrations (SW, SW + 100), and for two time points: in the mid-day (11:00) and at night - time (23:00).

A slight increase in blood calcium concentration stimulates the production and secretion of the peptide hormone, calcitonin, by the thyroid gland.

The parathyroid glands produce parathyroid hormone that, with Vitamin D and with specific cells (C - cells) in the thyroid gland, regulates calcium concentration in the blood.

A pretreatment serum calcium concentration < 7 mg / dL (< 6 mg / dL in cats) confirms the diagnosis.

The mean plasma calcium concentrations did not differ between groups during the studies, whereas that of inorganic phosphorus revealed temporal aberrations in two groups.

The cascade of events leading to calcium oxalate stone formation is largely unknown, but there is some indication that normal increases in urinary calcium concentration after feeding could be involved in stone formation.

Studies comparing high calcium concentration diet (3.3 % DM) with normal diet (1.1 % DM) showed that too much calcium inhibits dog's joint, cartilage and bone growth, and may lead to diseases like osteochondrosis, radius curvus syndrome and stunned growth [23, 24].

We observed similar robust increases of intracellular calcium concentrations in response to KCl and ATP in both GFP - expressing (n = 28) and GFP - nonexpressing cells (n = 12), whereas 5 - HT elicited an increase in intracellular calcium only in GFP - expressing cells (KCl: t (40) = 0.98, p = 0.33; ATP t (38) = 1.04, p = 0.30; 5 - HT: t (38) = 5.24, p < 0.0001 Student's t tests; Fig. 4A, B, F).

Furthermore; inositol 1,4,5 - triphosphate when connected to cytosol results in the interaction with the endoplasmic reticulum leading to an increase in calcium concentration within the cytosol.

This results in the release of bone mineral (calcium and phosphate)-- actions that restore serum calcium concentrations.

This increased calcium concentration, in turn, triggers their transformation from a static to a mobile form, allowing them to begin sealing off the wound.

In addition, mean daily urinary calcium concentration was significantly higher in the miniature schnauzers (0.93 0.25 compared with 0.61 0.23 for Labradors, P < 0.05)(Stevenson and Markwell 2001).

The physiological functions of calcium are so vital to survival that the body will stimulate bone resorption (demineralization) to maintain normal blood calcium concentrations when calcium intake is inadequate.

But, here's another fun fact even crazier than the last one: almost 99 % of our body's calcium concentration is found in bones.

Measurement with the fluorescent calcium indicator fura - 2 indicated that the IgG treatment reduced potassium - stimulated increase in free intracellular calcium concentration.

We're also excited about the potential applications for modifying the calcium concentration in seed coats.

The reason may be an eggshell - like mineral layer that the virus acquires due to the high calcium concentration in the intestines of birds.

In humans, avian flu viruses infect the airways and are then found in bodily fluids, where the calcium concentration is too low for mineralization.

Calcium ions rapidly stream into the presynaptic terminal and the calcium concentration in the presynaptic terminal rises.

Neural signals are transmitted within neurons by changing calcium concentrations, so the researchers used this technique to measure the amount of calcium contained within the Purkinje cells in real time.

Using the robotic microscope system, they found that, when a worm is trying to find out the favorable direction to move away from the odor, the calcium concentration in a nerve cell raises slowly according to the mathematical integration of the amount of decrease in the odor concentration, that is, it adds up for a certain period of time.