What is Gliogenesis?

Gliogenesis is the generation of glial cells (non-neuronal cells) in the nervous system (both central and peripheral nervous systems). Image Credit: Christopher Meade/Shutterstock.com Gliogenesis occurs as a result of multipotent neural stem cells differentiating down a glial lineage, rather than a neuronal lineage. Impaired gliogenesis is associated with neurodevelopmental, neurodegenerative, psychiatric & glial tumorigenesis. What are Glial Cells? Glial cells, […]

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Cat Allergies: Symptoms, Causes and Diagnosis

Sensitization to cats is one of the most frequent causes of allergic disease worldwide. The prevalence of sensitization to cat allergens ranges from 10% to 15% among the adult population, and studies have shown that this type of allergies can be linked to an increased risk of asthma. Thus adequate appreciation of this problem and early detection of sensitization are […]

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What is Stomach Cancer?

Stomach cancer or gastric cancer affects around 7,000 people each year in the UK. Stomach cancer is difficult to detect in the early stages because the initial symptoms are also seen in less serious conditions such as persistent indigestion, heart burn, trapped wind, burping and stomach ache. Some examples of the symptoms that occur in more advanced stages of disease […]

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Jaundice Pathophysiology

Jaundice is a symptom of an underlying condition that impairs the excretion of bilirubin from the body. As the 120-day lifespan of a red blood cell comes to an end or the cell becomes damaged, the cell membrane becomes weak and susceptible to rupture. As this old or damaged cell circulates through the reticuloendothelial system, the fragile membrane eventually ruptures […]

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Chemotherapy Principles

The body is composed of many different types of cells that all grow, divide, and die in an orderly manner. This process is tightly regulated and controlled by the DNA machinery within cells. While a person is growing up, the body cells divide rapidly to allow for development but once a person becomes an adult, most cells only divide to […]

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What Causes AIDS?

HIV or Human Immunodeficiency virus is a retrovirus that was first found in 1983. The virus is responsible for causing AIDS (acquired immunodeficiency syndrome). Once within the body the HIV infects cells of the immune system that form the body’s defence system and makes them unable to fight off infections. The virus enters the immune system’s CD4 cells, which protect […]

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What is Neutropenia?

Neutrophilic granulocytes (or neutrophils) are the most abundant circulating leukocytes in humans which play a fundamental role in the innate immune response. These cells are recruited rapidly when inflammation is present, and their primary role is to kill invading microorganisms via phagocytosis by release of preformed granular enzymes and proteins, as well as by the production of a range of […]

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Dystonia Treatments

There is no cure for dystonia but certain medications can help ease symptoms and make the condition easier to live with. Examples of treatment approaches include medication, physiotherapy and surgery as well as addressing any associated conditions such as anxiety, stress and depression. A treatment outline for dystonia is given below: Botulinum toxin The botulinum toxin or botox has been […]

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What is Toxicology?

Toxicology is the scientific study of adverse effects that occur in living organisms due to chemicals. It involves observing and reporting symptoms, mechanisms, detection and treatments of toxic substances, in particular relation to the poisoning of humans. It includes environmental agents and chemical compounds found in nature, as well as pharmaceutical compounds that are synthesized for medical use by humans. […]

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What is Candidiasis (Thrush)?

Candiadiasis, or Thrush, is a fungal infection caused by a group of yeast. There is a score of Candida species, the commonest of which is Candida albicans. They normally inhabit the surfaces and mucus linings of the human body. This includes mouth, vaginal cavity gastrointestinal tract etc. Sometimes when they multiply especially in warm and moist areas they may lead […]

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