NEUROSCIENCE: Give an account of the layers that cover the brain and spinal cord. Include in your answer their composition, organisation, function and how they are involved in a NAMED disease
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NEUROSCIENCE: Give an account of the layers that cover the brain and spinal cord. Include in your answer their composition, organisation, function and how they are involved in a NAMED disease - Essay Example
It is present in head region in a cavity called cranium and protected by a bonny structure called skull. Human nervous system consists of three parts:
The central nervous system comprises of brain and spinal cord, which is…
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Dura mater which is the outer most layer, Arachnoid which is the middle one and Pia mater which is the inner most. The infections of meninges are known as meningitis. Meninges are layers made up of connective tissues which perform a variety of functions which will be discussed later in this paper.
Dura is a Latin word which means ‘hard mother’. Dura mater is the outer most of the meningial layers. As the name indicates it is rigid and nonflexible. It separates the brain from the cranial cavity and also prevents the brain from translocation. It is a double layered structure consisting of connective tissues. The outer layer of Dura matter is called the periosteal layer which is attached to the bones of the cranium. The inner layer is much soft and thinner and is called the meningeal layer. It holds on to the brain but does not attach itself to the bone. Along the spinal cord it is a single membrane but is similar to the cranial meninges.
Dura mater is a fused membrane except at some regions where it is quite separate and possesses an appropriate lining. These separations allow the Dura membrane to cover the dural sinuses. These sinuses are accountable for the collection of blood in veins which is further collected into a single vein in the neck region. There are four distinct regions where dura membrane segregates. The superior sagittal sinus runs across the top of the brain in an anterior-posterior direction. Other sinuses are the straight sinus, the inferior sinus, and the transverse sinus. Dura mater covers the spinal cord in tubular form. It is quite thick and wraps the whole spinal cord up to its end. There is a space between dura mater and skull known as the epidural space. In case of any hemorrhage in the brain or any closed injury, blood is collected in this epidural space. There is also a potential space between dura mater and the middle layer of meninges called arachnoid which is known as the subdural space. In case of any shock
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The brain and the spinal cord combined make up the Central Nervous System which is responsible for the coordination between different organs. The function of the brain is to give ‘orders’ for every action while the spinal cord serves as a medium of communication between the brain and the different organs.
Such as love, desire, sexual dysfunctions and other sexual problems. For this paper we have selected one of the important topics of cross cultural issues that is spinal cord injuries and sexual issue. Scholars have found that people who have any spinal cord injury suffer from some severe emotional issues that directly affect their sexual functions and ability to produce young ones.
However, very negligible number belongs to Hispanic and other minority ethnic groups. Three decades ago, the British majority was in higher numbers and thus dominated the labour market of UK. This dominance created a major class difference between the whites and minority ethnic groups especially in terms of obtaining employment.
It is an important disorder because there is no cure, and the biopsychology of the disease is not well understood. However, there is evidence that the dopaminergic and serotonin systems in the brain play a role in anorexia nervosa (AN) and the behaviors generally associated with suffering.
There are three main inhibitory ligands that exist in the CNS myelin (Ahmed, 2009). These include the Nogo -A,the myelin associated glycoprotein (MAG) and oligodendrocyte myelin glycoprotein (OMgp), which in conjunction account for most of the inhibitory work of the CNS.
This is as opposed to a group in a corporate situation, which refers to a number of people brought together by the willingness to carry out the commands of a given leader such as a jury lead by a foreperson (Powers, 2008). This way, the
nly that I have taken the coffee consumption to a whole new level, where I just need a cup of coffee anytime I get in the house, in a restaurant or visiting a friend. The coffee consumption routine started as an everyday activity whenever I wanted to watch some movie until some
The tendency of reducing the stiffness of the muscles involved in the function are subject to the way the level of training the patients are involved with. The essay will focus on a number of training procedures that are aimed at assisting those patients with
The aim is the development of a CPI for spinal cord injury that will form a foundation for standardizing procedures and protocols for dealing with situations involving the condition and with an eye towards improving care and outcomes through the provision of standards that can form the basis of metrics for measuring improvements to the services.
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