A Quote by David H. Hubel
The brain is a tissue. It is a complicated, intricately woven tissue, like nothing else we know of in the universe, but it is composed of cells, as any tissue is. They are, to be sure, highly specialized cells, but they function according to the laws that govern any other cells. Their electrical and chemical signals can be detected, recorded and interpreted and their chemicals can be identified; the connections that constitute the brain's woven feltwork can be mapped. In short, the brain can be studied, just as the kidney can.
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Most of our brain cells are glial cells, once thought to be mere support cells, but now understood as having a critical role in brain function. Glial cells in the human brain are markedly different from glial cells in other brains, suggesting that they may be important in the evolution of brain function.
I'm trying to do some things with my brain institute to understand more about the impact of concussion on brain tissue, because we have some scientists over there who are really good at looking at brain tissue and the effects of things on brain tissue.
The brain is really hard to see. The whole thing is very large - the human brain is several pounds in weight - but the connections between brain cells, known as synapses, are really tiny. They're nanoscale in dimension. So if you want to see how the cells of the brain are connected in networks, you have to see those connections, those synapses.
Ours is not a dumb species. We have put a man on the moon. We have unlocked the secrets of the human genome. We have discovered how to take stem cells and coax them into becoming brain cells, heart muscle, liver tissue - any organ of the human body that needs repair. These are our miracles, and there are more. Yet we have not yet found a way to do the simplest things: To live in peace. To stop killing each other when we disagree. To distribute that which is good in life freely and fairly.
The human brain is the last, and greatest, scientific frontier. It is truly an internal cosmos that lies contained within our skulls. The more than 100 billion nerve cells and trillion supporting cells that make up your brain and mine constitute the most elaborate structure in the known universe.
When we talk about stem cells, we are actually talking about a complicated series of things, including adult stem cells which are largely cells devoted to replacing individual tissues like blood elements or liver or even the brain.
A fundamental premise in cancer therapy is trying to identify how the metabolism of cancer cells differs from normal tissue. When differences are identified, it often paves the way for treatments that will disrupt the cancer's metabolism while sparing normal tissue.
Your brain is built of cells called neurons and glia - hundreds of billions of them. Each one of these cells is as complicated as a city.
Whatever the occasion, do not neglect alcohol. No other refreshment will do. Yes, alcohol kills brain cells, but it's very selective. It only kills the brain cells that contain good sense, shame, embarrassment, and restraint.
The brain is the last and grandest biological frontier, the most complex thing we have yet discovered in our universe. It contains hundreds of billions of cells interlinked through trillions of connections. The brain boggles the mind.
Brain cells create ideas. Stress kills brain cells. Stress is not a good idea
Your brain has more than 100 billion cells, each connected to at least 20,000 other cells. The possible combinations are greater than the number of molecules in the known universe.
Basically, when you look at different types of cells, such as fibroblasts, which form connective tissue, or epithelial cells, from saliva, you see general correlations within a person. If telomeres are up for one cell type, they're up for others overall.
It's not even known how many kinds of cells there are in the brain. If you were looking for a periodic table of the brain, there is no such thing. I really like to think of the brain as a computer.
There are cells in the brain that respond to faces. This is one of the reasons that I deal with portraiture. We can learn a lot about our perception of facial expression from the behavior of these cells.
Don't you know alcohol kills brain cells...any damn brain cell that can't live through a good drunk deserves to die. You're doing yourself a favour, getting rid of all them nonhacking, underachieving ones. I'm working on improving your efficiency.
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