Page 1 of 50 - About 500 essays
  • A Look at Myelin and Myelin-Related Disorders Essay

    1062 Words  | 5 Pages

    A Look at Myelin and Myelin-Related Disorders Myelin is the protective sheath around axons in the nervous system, and is often referred to as 'white matter.' It acts as an insulator to the electrical signal that is conducted down the axon as a neuron fires, and can well be compared to the insulation around an electrical wire. The myelin sheath contains a variety of fatty substances (lipids), and contains at least ten distinct chemicals (2). . From what is known, axons are not fully myelinated

  • Myelin´s Multiple Sclerosis

    410 Words  | 2 Pages

    central nervous system that has the potential to cause significant disability in those affected through the body's immune system attacking and destroying the myelin sheaths surrounding the axons. Myelin is rich in lipids and proteins that form layers around the nerve fibers and acts as insulation and protection. This damage to the myelin in the CNS, and to the actual nerve fibers, has the potential to block the transmission of nerve signals between the brain and spinal cord and also other parts

  • Myelin Sheath's Autoimmune Disease: Multiple Sclerosis

    284 Words  | 2 Pages

    unknown triggering mechanism. Multiple Sclerosis (MS) is a type of autoimmune disease in which the myelin sheath that covers axons and speeds up the transmission of nerve impulse in the brain is damaged or destroyed. The word Multiple refers to many areas and Sclerosis refers to the scar of the myelin sheath. The disease affects the central nervous system which are the brain and spinal cord. When the myelin sheath is damaged, nerves cannot conduct the electrical impulses efficiently. MS is

  • Symptoms Of Multiple Sclerosis Through The Downregulation Of Pro Inflammatory Cytokines And Endorsing Myelin Protection

    1983 Words  | 8 Pages

    cytokines and endorsing myelin protection. B.1. English Abstract Multiple sclerosis (MS) is a chronic inflammatory, neurodegenerative disease that affects more than 40,000 individuals in Egypt alone and 2.5 million people worldwide. MS is also categorized as an autoimmune disease in which the immune system instigates an immune response upon encountering the specific myelin antigen and therefore initiating a constant degradation of the myelin sheath. The frequent loss of the myelin leads to irreversible

  • Myelin Experiment

    523 Words  | 3 Pages

    1. Myelin are important parts of the nervous system, they are “capable of responding to experiences for learning and long-term behavioral capacity” (Myelinate). The article goes into depth about the different experiments that have gone on. For example, McKenzie et al. had done an experiment with adult mice to determine if there was a difference in mice that grew new oligodendrocytes. The article also went into great detail about different disorders caused by damaged or malfunctioned myelin. Myelin

  • Myelin Sheath

    762 Words  | 4 Pages

    cell membrane. In some areas of the nervous system that require faster communication, the axons will contain insulation, known as the Myelin Sheath. (Myelin sheath)-The Myelin Sheath is made up of a material called myelin, which is produced by special cells known as Schwann cells. (Schwann cells)-Schwann cells are in the Peripheral nervous system that form the Myelin Sheath around an axon. (Axon Terminal)-Finally, the axon terminal

  • Taking a Look at Multiple Sclerosis

    1125 Words  | 4 Pages

    typically is diagnosed in the second or third decade of life. Normally, nerves are enclosed in myelin sheaths that help facilitate transmission of nerve impulses within the CNS and the peripheral nervous system throughout the body. In patients with MS, the myelin sheath is damaged and eventually degenerates, causing patches of scar tissue called plaques or lesions to occur anywhere randomly on the myelin sheath (Ruto, 2013). This results in impaired nerve conductivity, which interferes with message

  • The Membrane And Its Effects On Human Development

    860 Words  | 4 Pages

    experiments best because 1) it mimics the in vivo environment with the presence of all major CNS cell types, 2) myelination has been observed in the model by other investigators, thus fulfill the needs of studying effect of HIV/Tat on both OLs and myelin, and 3) the hBrnAgg model can be maintained for a long period of time (up to 60 days), made it a good model to study long-term effect of HIV/Tat. Our immunostaining experiments suggested that there are far less OLs in the aggregates than we expected

  • An Autoimmune Demyelinating Disorder ( Ms )

    948 Words  | 4 Pages

    Multiple Sclerosis (MS) is an autoimmune demyelinating disorder it is characterized by inflammation and destruction of CNS myelin. It affects approximately 350,000 persons in the united states and more than 1 million worldwide (Porth,2014). The age of onset is typically between 18 and 45 years of age. Women are affected twice more frequently than men. Etiology is the cause or set of causes of a disease or condition. The cause of MS is unknown but it is likely that multiple factors are a cause for

  • Symptoms And Treatment Of Multiple Sclerosis

    1215 Words  | 5 Pages

    autoimmune, and degenerative disease of the central nervous system. Its etiology is unknown, but a combination of environmental and genetic factors is likely responsible for its development. MS occurs when one’s immune system attacks the fatty protein myelin, which insulates and protects the axons of oligodendrocytes in the brain and spinal cord. Damage to this sheath can cause the miscommunication between these oligodendrocytes and the rest of the body, and additionally causes painful and debilitating