Author: Shadab Chow

  • Spinal Arachnoiditis

    Spinal Arachnoiditis: Definition and Description of Spinal Arachnoiditis: Spinal Arachnoiditis is a rare neurological condition characterized by inflammation of the arachnoid membrane, which surrounds the spinal cord. This inflammation can lead to adhesion formation and scarring in the spinal canal, resulting in pain and neurological dysfunction. The arachnoid membrane is one of the three protective…

  • Spina Bifida

    Spina Bifida: Definition and Description of Spina Bifida: Spina bifida is a congenital disorder that occurs when the spine and spinal cord do not form properly. This condition is characterized by the incomplete closure of the neural tube, which becomes the spine. Spina bifida is classified into several types, the most common being spina bifida…

  • Spielmeyer-Vogt-Batten Syndrome

    Spielmeyer-Vogt-Batten Syndrome: Definition and Description of Spielmeyer-Vogt-Batten Syndrome: Spielmeyer-Vogt-Batten Syndrome, also known simply as Batten Disease, is a rare neurological disorder primarily affecting children. This condition belongs to a group of disorders known as neuronal ceroid lipofuscinoses (NCLs), which are characterized by the accumulation of lipofuscin, a fatty substance, in the brain and other tissues.…

  • Spielmeyer-Vogt Disease

    Spielmeyer-Vogt Disease: Definition and Description of Spielmeyer-Vogt Disease: Spielmeyer-Vogt Disease, also known as neuronal ceroid lipofuscinosis type 1 (NCL1), is a rare inherited neurodegenerative disorder. It primarily affects children and is characterized by the progressive loss of vision, intellectual decline, and other neurological symptoms. The disease falls under the family of lysosomal storage diseases, where…

  • Spider Veins

    Spider Veins: Definition and Description of Spider Veins: Spider veins, medically known as telangiectasia, are small, dilated blood vessels located near the surface of the skin. These veins appear as thin, red, blue, or purple lines and often resemble webs or tree branches. They are commonly seen on the legs and face, often causing cosmetic…

  • Spider Bites

    Spider Bites: Definition and Description of Spider Bites: Spider bites refer to the puncture wounds created by spider fangs when they bite a human or other animal, often as a defense mechanism. These bites can range from harmless to serious, depending on the type of spider involved. Medical professionals define spider bites as an injury…

  • Spider Bite, Brown Recluse

    Spider Bite, Brown Recluse: Definition and Description of Spider Bite, Brown Recluse: The Brown Recluse spider, scientifically known as Loxosceles reclusa, is known for its potentially harmful bite. This species is primarily found in the Midwestern and Southern United States. The spider is characterized by its violin-shaped marking on its back and has long, slender…

  • Spider Bite, Black Widow

    Spider Bite, Black Widow: Definition and Description of Spider Bite, Black Widow: A Black Widow spider bite refers to the envenomation that occurs when a person is bitten by a female Black Widow (Latrodectus mactans). These spiders are notorious for their potent neurotoxic venom, which can cause serious symptoms. Medical definitions describe the bite as…

  • Sphingomyelinase Deficiency

    Sphingomyelinase Deficiency: Definition and Description of Sphingomyelinase Deficiency: Sphingomyelinase Deficiency, also known as Niemann-Pick Disease type A and B, is a rare genetic disorder characterized by a deficiency of the enzyme sphingomyelinase. This enzyme plays a critical role in lipid metabolism, particularly in breaking down sphingomyelin, a type of lipid found in cell membranes. When…

  • Sphingolipidosis, Krabbe’s Type

    Sphingolipidosis, Krabbe’s Type: Definition and Description of Sphingolipidosis, Krabbe’s Type: Sphingolipidosis, Krabbe’s Type, commonly referred to as Krabbe disease, is a rare and inherited neurological disorder that primarily affects the nervous system. It is classified as a lysosomal storage disease, caused by a deficiency of the enzyme galactocerebrosidase (GALC). This deficiency leads to the accumulation…