Nervous tissue and cellular control

[HydrogenBond]

If one looks at the cells of the human body, there are three basic tissues that are near almost all the cells. There is circulatory tissue, lymphatic tissue and nervous tissue.

Nobody has a problem with circulatory tissue helping cellular control. It is where the blood flows allowing the input of food, oxygen and biochems, and the output of CO2, waste products, and manufactured products from the cells. If one cuts off the blood supply the cell will die.

The lympatic tissue is connected to the immune system. This works in conjunction with the blood supply to remove foreign invaders that can alter or even kill cells. Nobody has a problem with this.

The third tissue is nervous tissue. It is usually not given a role in controlling cells. It may just a well be there for purely decorative purposes, since it is not added to the equation. I suppose if one only uses two out of three variables, you are stuck in the black box by default.

Let's use a little logic to determine the function of nervous tissue with respect to cell control. If it was sensory, it would give a certain signal to the brain based on the local cell environment. If the local environment changes so will the signal up the hierachy of nervous tisse into the brain. Since the brain is both an input and an output device, nervous tissue is probally both input-output and works as part of a neural feedback system. The brain has a nervous feedback image that was induced beginning during fetal development, and it attempts to maintain this evolving image by inducing necesary local and system wide changes. If some of the local nervous tissue dies, certains cells are no longer part of the loop and will become more vulnerable to things like cancer.

Nervous tissue is not just sensory and output tissue. It is also smart tissue. Each nervous cell has a little brain on its own. The local nervous tissue has some autonomy with respect to single cell control. On top of this, is a failsafe layering of smart nervous memory hierarchy, which not only allows fail-safe single cellular control, but also control over entire organs, with the brain being the traffic cop running the whole integrated show. A timer in the brain, periocially allows system wide changes to help coordinate such things as puberty, pregnancy, etc. This is not to discount the affect of the DNA, which is another part of the fail-safe control system. But on the other hand, thing like the delayed onset of puberty could be the brain overriding the DNA because extented environmental feedback (beyond the DNA) may require the DNA's timing be delayed.

The question becomes, how is such control possible? The easiest answer is connected to charge potential. The neurons and nervous tissue place alot of positive charge on their outside membranes. In fact, it is the most of any cell in the body. The blood, on the other hand, is slightly alkaline, or slightly negative. This creates a dual potential to all the cells, one to the blood that is lower and the other to the nervous tissue which is higher.

If a cell outer membrane alters potential up or down, it alters the potential to both the blood supply and the nervous tissue. If the blood is made to stay constant in potential, regulated by its own nervous tissue, the local nervous potential one can restore and control the local cell. If it is time to make a new cell, the nervous potential drops for a little while, allowing the cell to enter the cell cycle. (during the cell cycle the membrane potential must drop).

What is sort of slick. Has anyone ever wondered how blood cell know how to find local invaders. The local nervous tissue reacts by increasing the local potential. This increases the local blood potential. To maintain its own differentiation it releases the high potential blood cells locally. This lowers the local blood potential while giving a local innume response. The brain sees the exact spot.

It is far more complicated that this, with biomolecules playing a role in the local potential and maybe even the feedback loop. This doesn't pose a problem, since the entire affect can be averaged into hydrogen bonding potential gradients, since everything dissolved in the local water will create a local average aqueous hydrogen bonding affect that pertubate the ionic gradients.

To summarize, either local nervous tissue is purely decorative or it does what it does best, thinks, senses and transmits. If it thinks, senses and tranmits, it plays a role in helping the cells maintain themselves, so the brain's big picture of the body is maintained. The easiest way is via the ionic potentials that exsit on the surfaces of nervous tissue and neurons.

We need to open the blackbox, take the two know tissues out, add the third nervous tissue, and then throw the blackbox into the garbage. Lets make biology a rational science. I could handle a gray box with logic leading empirical data and not the other way around.

[LJP07]

Originally Posted by HydrogenBond

The third tissue is nervous tissue. It is usually not given a role in controlling cells.

Let's use a little logic to determine the function of nervous tissue with respect to cell control.

Good Post.

Nervous tissue is composed of two generalised cell types : Neuroglia and Neurons. Where the neurons are specialised to initiate action potentials while the Neuroglia provides numerous supportive functions. Although nervous Tissue is the most complex of them all, it requires more Oxygen and Nutrients than any other body tissue where the neuron conducts fast messages to all parts of the body.

Would it not be a simple function?
Conductions are made every second ( less actually ), and parts of the body which are surrounded by tissue would automatically be put into action, similar to the Immune and Lymphatic Systems. It's obvious that there is a good system between blood cells, blood and Nervous Tissue if it gains the most Oxygen and Nutrients needed, so rather than say function it seems more like working in conjunction because the brain controls all after all.

[somasimple]

Hi,

The nervous system rules all the others ones.
It rules blood system, immune system and it is the initiator of all endocrines hormones.

[InfiniteNow]

The use of the word "tissue" seems a bit out of place when referrring to neuroanatomy. Tissue is most often associated with musculature or Kleenex.

If some of the local nervous tissue dies, certains cells are no longer part of the loop and will become more vulnerable to things like cancer.

I've never ever in my life heard of cancer of the nervous system... maybe spinal cancer, but not dendritic, ganglion, axon hillock or other such cancers. Please advise where I can learn more about this.

Each nervous cell has a little brain on its own. The local nervous tissue has some autonomy with respect to single cell control.

This doesn't seem accurate either. Each cell is enormously dependent on those around it, and "no cell is an island." I'm concerned that you are launching your ideas off false assumptions, which would ruin the accuracy of your theory.

A timer in the brain, periocially allows system wide changes to help coordinate such things as puberty, pregnancy, etc. This is not to discount the affect of the DNA, which is another part of the fail-safe control system. But on the other hand, thing like the delayed onset of puberty could be the brain overriding the DNA because extented environmental feedback (beyond the DNA) may require the DNA's timing be delayed.

The brain is generated through DNA also... but this too sounds quite off base. If I want to be 10 feet tall, and use lots and lots of mental energy contemplating this, I'll still be limited to the 6 feet tall imposed by my DNA.

Are you referring to... No, never mind. I really don't know.

To summarize, either local nervous tissue is purely decorative or it does what it does best, thinks, senses and transmits. If it thinks, senses and tranmits, it plays a role in helping the cells maintain themselves, so the brain's big picture of the body is maintained. The easiest way is via the ionic potentials that exsit on the surfaces of nervous tissue and neurons.

Well, I do hereby cast my vote that it's not purely decorative.

Also, the easiest way to what?

We need to open the blackbox, take the two know tissues out, add the third nervous tissue, and then throw the blackbox into the garbage. Lets make biology a rational science. I could handle a gray box with logic leading empirical data and not the other way around.

So biology is not a science for you, but to call the entire branch of science irrational is WAY overstating whatever case it is you're trying to make.

[HydrogenBond]

By nervous tissue and cancer, I was not referring to the nervous tissue getting cancer. Rather, if local nervous tissue dies then local cells will no longer benefit by the support role of nervous tissue. The result is they are out of the overall nervous loop and thereby more subject to changes such as cancer.

The reason I deduced this was that cancer often involves cells that go into continuous cell replication mode. This continuous cell cycle mode requires the membrane potential lower and stay low. If the local nervous tissue was present, its higher potential induction would inhibit this membrane change not allowing the process to move forward so fast. Cancer could still occur due to other factors, but renewed or amplified nervous tissue potential could explain spontaneous remission. The cancer cell are induced to stop replicating, allowing the immune system to catch up.

The nervous cell having a little brain of its own was overstated. Maybe intelligent capacitance is a better way to describe it. It may be something analogous to the way memory in some reflex actions is processed close to the muscles first and does not initially require the brain. The brain gets the signal and then secondary responds.

[somasimple]

You need perhaps to read something about the marvels of the nervous system.
Without a brain, you're dead.
Here is something for a "dummy"
http://www.emc.maricopa.edu/faculty/...oBookNERV.html

[LJP07]

Originally Posted by somasimple

You need perhaps to read something about the marvels of the nervous system.
Without a brain, you're dead.
Here is something for a "dummy"
http://www.emc.maricopa.edu/faculty/...oBookNERV.html

That's very basic introduction website Soma

[somasimple]

Yes,
then continue with a little harder thing =>
neurosciences

[LJP07]

I can't find where the book is to be downloaded??

[somasimple]

Hi,

It is not intended to be downloaded.
You must copy a title and past it in the search box.

Very boring.
Or you could construct a page with the collected links for your own usage.
I have such a page but can't share it on this site (copyright issue).