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Cells in sentence

1993 examples of Cells in a sentence

So the first question we had, "What will happen if we re-implant these cells in a normal brain, and what will happen if we re-implant the same cells in a lesioned brain?"
So in the first-case scenario, we re-implanted the cells in the normal brain and what we saw is that they completely disappeared after a few weeks, as if they were taken from the brain, they go back home, the space is already busy, they are not needed there, so they disappear.
Those are the cells that were re-implanted.
And the proof they carry, these little spots, those are the cells that we've labeled in vitro, when they were in culture.
Do these cells also help a monkey to recover after a lesion?
So when we were sure that the monkey had reached his plateau of spontaneous recovery, we implanted his own cells.
And look now when we re-implant the cells: Two months after re-implantation, the same individual.
Since that time, we've understood much more about these cells.
During digestion, your body breaks down those complex carbohydrates into their monosaccharide building blocks, which your cells can use for energy.
It prompts your muscle and fat cells to let glucose in and jump starts the conversion of sugar to energy.
The pancreas still sends out insulin, but cells, especially muscle cells, are less and less responsive to it, so blood sugar fails to decrease, and blood insulin continues to rise.
These genes direct the cells to make certain proteins, and in just a few hours, the right and left sides of the embryo are chemically different.
Could all cells be intrinsically asymmetric?
Bacterial colonies grow lacy branches that all curl in the same direction, and human cells cultured inside a ring-shaped boundary tend to line up like the ridges on a cruller.
If we zoom in even more, we see that many of cells' basic building blocks, like nucleic acids, proteins, and sugars, are inherently asymmetric.
Proteins have complex asymmetric shapes, and those proteins control which way cells migrate and which way embryonic cilia twirl.
This asymmetry at the molecular level is reflected in asymmetric cells, asymmetric embryos, and finally asymmetric organisms.
Water is virtually everywhere, from soil moisture and ice caps, to the cells inside our own bodies.
Sodium electrolytes in the body become diluted, causing cells to swell.
And how do the tiny cells in your brain give rise to the complex thoughts, memories, and consciousness that are you?
That's true in the molecular pandemonium that lets your cells function, the tangled thicket of neurons that produces your thoughts and identity, your network of friends and family, all the way up to the structures and economies of our cities across the planet.
You first get ill when a pathogen like the flu virus gets into your system, infecting and killing your cells.
Cells called macrophages charge in as the first line of attack, searching for and destroying the viruses and infected cells.
Afterwards, the macrophages release protein molecules called cytokines whose job is to recruit and organize more virus-busting cells from your immune system.
What we can say is that aging occurs when intrinsic processes and interactions with the environment, like sunlight, and toxins in the air, water, and our diets, cause changes in the structure and function of the body's molecules and cells.
These occur naturally when the body's DNA replicates, but also in non-dividing cells.
If mitochondrial function declines, then cells and, later on, whole organs, deteriorate, too.
Other changes are known to occur in the expression patterns of genes, also known as epigenetic alterations, that affect the body's tissues and cells.
Even if we could avoid all these harmful genetic alterations, not even our own cells could save us.
The DNA in our cells is packaged within chromosomes, each of which has two protective regions at the extremities called telomeres.
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