Lead and the Central Nervous System
Lead is a highly toxic substance that particularly affects the central nervous system of all people of all ages. Because of its great toxicity, much research attention has been given to these effects and how they can be mitigated. Of particular importance are the effects of lead exposure in young children. Because their central nervous system is in a rapidly developing stage, children are at particular risk when it comes to the potentially harmful effects of lead. This is then also why numerous studies have been conducted to determine the causes of lead poisoning, the effects of different levels of lead exposure, mitigation methods for these, and measures to prevent lead poisoning.
The stated purpose of Lidsky and Scheider's (2003) article, "Lead neurotoxicity in children: basic mechanisms and clinical correlates" is to suggest policy modifications that would encourage prevention methods regarding lead poisoning. The authors spend the majority of the rather lengthy article, however, by examining the specific effects of lead on the human body, and particularly on children.
The extremely toxic nature of lead rests on the fact that it is highly absorbent, since it can substitute for both calcium and zinc, two substances that are highly...
Nervous System: In order to achieve its function, the nervous system is divided into two major parts i.e. The Central Nervous System (CNS) and Peripheral Nervous System (PNS). The central nervous system is basically made up of the brain and spinal cord and has the main function of receiving information from the body and sending out instructions. While the brain is protected by the skull, the spinal cord is guarded
Nervous System Lymphoma page literature review "Primary Central Nervous System Lymphoma The primary central nervous system lymphoma The primary central nervous system lymphoma is a cancer type that is very rare, and affects the central nervous system i.e. spinal cord, brain, brain coverings, optic nerves, or the eyes. The cancer being referred to as a lymphoma indicates that its cells are lymphocytes which are a white blood cell type. Primary central nervous
The efferent division of the peripheral nervous system carries out the motor commands that are sent from the central nervous system. These commands or signals are then sent directly through the nerve fibers of the peripheral nervous system to the target organs where they will then be signaled to perform the desired action (Martini, Nath, & Bartholomew, 380). The peripheral nervous system can be further broken down as being a
What happens is this over production of neurons results in a kind or "pre-programmed 'suicide' mechanism called apoptosis" (Marino, 2010). So if the brain kills off these neurons on purpose, what happens to the dead neurons? Journalist Melissa Marino asserts that the body must dispose of the dead neurons or else the body's immune system is in trouble. Interestingly, Dr. Bruce Carter (a biochemistry professor) of Vanderbilt has discovered the
Nervous System The major structures of basal ganglia are pallidum, substantia nigra, subthalamic nucleus, and striatum. They are inappropriately named because the name striatum refers to all major components of basal ganglia. However it was used to refer to only one of the structures. The general function of basal ganglia is to take part in learning and motor control. Is called motor cortex, receives its primary input from the ganglia structures The
Parkinson's Disease The human central nervous system is a miraculously designed functional piece of our bodies that helps us conduct the most essential tasks to help in our survival. It is therefore very important to investigate and understand how this system functions and operates. In this investigation it is also useful to understand how disease and malfunction of this system are affected. The purpose of this essay is to describe the
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