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4th Edition
  1. Nodes in the Central Nervous System
  2. Development of the Nervous System
  3. Central nervous system - Wikipedia
  4. Cerebral Cortex
  5. References

The brain and the spinal cord make up the central nervous system. The brain lies protected inside the skull and from there controls all the body functions by sending and receiving messages through nerves. Have a look at our topic The brain for more information. The peripheral nervous system carries messages to and from the central nervous system.

It sends information to the brain and carries out orders from the brain.

Nodes in the Central Nervous System

Messages travel through the cranial nerves, those which branch out from the brain and go to many places in the head such as the ears, eyes and face. Messages can also travel through the spinal nerves which branch out from the spinal cord. You can help your nervous system work well and be healthy by being active, having a healthy diet and keeping yourself busy and happy.

Feeling nervous about something? Well we're all full of nerves aren't we? But if you often feel worried or afraid it is a good idea to talk to one or more of your trusted adults. Our topic ' Counselling - when you need to talk about it ' may have some tips for you.

Development of the Nervous System

We've provided this information to help you to understand important things about staying healthy and happy. However, if you feel sick or unhappy, it is important to tell your mum or dad, a teacher or another grown-up. Are you a 'lefty'? Bedwetting Bedwetting alarms Blood - we can't live without it! Colour 'blindness' - when someone is not able to see some colours Crying and tears Ears - hearing problems Ears - how your ears work Ears - keeping your ears safe from noise Ears - looking after your ears Eczema - a problem with skin Eyes - facts and questions Eyes - how your eyes work Eyes - protecting your eyes Eyes - wearing glasses Freckles and moles Genes - not the kind you wear!

Go find out — your wonderful eyes! Growing pains Heart - your heart Hiccups and how to get rid of them! Improve your memory - for children Intellectual disabilities — learning slowly Intestines - your guts!

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Kidneys - your kidneys Look after your feet Losing hair Lungs - your lungs Nails Skin - it's all over you! Skin problems - rashes Sleep - are you getting enough? Smelly sweat - info for kids Sneezing Teeth - open wide - looking after your teeth Teeth - problems with teeth Teeth - protecting your teeth Teeth - what are they? The brain The digestive system - powering up your body The immune system The liver The nervous system The spleen - information for kids Too much noise Uh-oh, my nose is bleeding Weight - how much should you weigh?

Central nervous system - Wikipedia

What is obesity? Yawning Your appendix Your body's waste disposal system Your bones Your hair - a hairy story Your muscles Your nose Your senses Your terrific tongue Your wonderful hands. The nervous system element; neuron; brain; spinal; cord; nerve; cell; nerves; myelin; neurotransmitters; cranial; impulses; Contents What is the nervous system? How nerve cells work The central nervous system The peripheral nervous system Dr Kate says What is the nervous system? Some craniotomy procedures may use the guidance of computers MRI or CT scans to reach the precise location within the brain that is to be treated.

Benefits of this procedure are less pain when compared to the open craniotomy, faster recovery and it has minimal scarring.

Cerebral Cortex

This technology will provide the surgeon with a 10x magnified, high-definition, 3D-image of the body's intricate anatomy. The surgeon will use the controls in the console to manipulate special surgical instruments which are smaller and as also more flexible and manoeuvrable than the human hand.

So the surgeon can operate with enhanced precision, dexterity and control even during the most complex procedures. Cancers of the nervous system are often severe conditions which will eventually become life threatening. Some examples of neurological cancers are astrocytomas, glioblastoma multiforme, glioma, pontine glioma, ependymoma and brain stem tumors of the malignant brain cancers, high-grade astrocytoma and gliomas of the brain stem tumors are examples of the most severe diseases. Track 17 - Ventriculoperitoneal shunt. Increased level of cerebrospinal fluid in the ventricles increases the intracranial pressure within the skull.

This condition is known as hydrocephalus, and the removal of this fluid from the cavities of the brain through surgical process is called ventriculoperitoneal shunt.

Tapping or aspirating the shunt is performed for both diagnostic reasons eg, evaluate for shunt infection and blockage and therapeutic reasons eg, allows fluids to be drawn off to alleviate symptoms from a blocked shunt. Track 18 — Therapeutics in CNS. These are significant threats to human health.

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  • Even though impressive advances in the treatment of CNS disorders are made during the past few decades, the success rates are still moderate if not poor. The blood—brain barrier BBB hampers the access of systemically administered drugs to the brain. The development of nanotechnology provides powerful tools to deliver therapeutics to target sites. The major excitatory neurotransmitters are the amino acids glutamate Glu and aspartate Asp ; the major inhibitory neurotransmitters are GABA and glycine Gly. Clinical trials and case reports are the information gathered from the larger groups of people that contain the results of a drug or treatment, side effects by comparing it to the commonly used treatments.

    The central nervous system is a complex network of thread-like nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body including the sensory organs, arms, hands, legs, and feet. A neurosurgeon is a physician who specializes in the diagnosis and surgical treatment of disorders of the central and peripheral nervous system including congenital anomalies, trauma, tumors, vascular disorders, infections of the brain or spine, stroke, or degenerative diseases of the spine. Advancements in diagnostics, therapeutics, and drug discovery techniques are primarily driving the growth of the market.

    Furthermore, the number of patients is expected to increase with increasing prevalence of CNS diseases associated with sedentary lifestyle and chronic mental disorders. The delivery of drugs to central nervous system CNS is a challenge in the treatment of neurological disorders.


    Drugs may be administered directly into the CNS or administered systematically e. The major challenge to CNS drug delivery is the blood-brain barrier BBB , which limits the access of drugs to the brain substance. The method of delivery of a drug to the CNS has an impact on the drug's commercial potential. Values are calculated for the total CNS market and the share of drug delivery technologies.

    Starting with the market values for the year , projections are made to the years and Target Audience: 1. Neurosurgeons 2.

    The Central Nervous System: The Brain and Spinal Cord

    Scientists 3. Researchers 4.