News tagged with nervous system

Related topics: nerve cells · brain · neurons · cells · central nervous system

Fly method is epilepsy's ray of light

Professor Richard Baines and Dr Carlo Giachello used a genetically-altered fruit fly to show that when nervous system activity is suppressed by shining yellow light through its embryo, it will not go on to develop symptoms ...

Nov 05, 2015
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Sniffing and gasping can prevent fainting

Dr Bavolarova said: "Recurrent syncope (fainting) has serious effects on quality of life. Patients are often injured when they fall, which reduces their mobility and ability to look after themselves. Depression is common ...

Oct 18, 2015
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Nervous system

The nervous system is a network of specialized cells that communicate information about an organism's surroundings and itself. It processes this information and causes reactions in other parts of the body. It is composed of neurons and other specialized cells called glial cells,(plural form glia), that aid in the function of the neurons. The nervous system is divided broadly into two categories: the peripheral nervous system and the central nervous system. Neurons generate and conduct impulses between and within the two systems. The peripheral nervous system is composed of sensory neurons and the neurons that connect them to the nerve cord, spinal cord and brain, which make up the central nervous system. In response to stimuli, sensory neurons generate and propagate signals to the central nervous system which then processes and conducts signals back to the muscles and glands. The neurons of the nervous systems of animals are interconnected in complex arrangements and use electrochemical signals and neurotransmitters to transmit impulses from one neuron to the next. The interaction of the different neurons form neural circuits regulate an organism's perception of the world and what is going on with its body, thus regulating its behavior. Nervous systems are found in many multicellular animals but differ greatly in complexity between species.

This text uses material from Wikipedia, licensed under CC BY-SA

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