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Related Concept Videos

Myasthenia Gravis: Overview and Treatment01:20

Myasthenia Gravis: Overview and Treatment

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Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which...
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Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
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Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
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Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

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Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
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Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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Satellite Stem Cells and Muscular Dystrophy01:21

Satellite Stem Cells and Muscular Dystrophy

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Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
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Related Experiment Video

Updated: Apr 12, 2026

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
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Multiple sclerosis.

Daniel Kane Files1, Tani Jausurawong1, Ruba Katrajian1

  • 1Family Medicine Residency, Combined Family Medicine/Emergency Medicine Residency, Aria Health, Red Lion and Knights Roads, Philadelphia, PA 19114, USA.

Primary Care
|May 17, 2015
PubMed
Summary

Multiple sclerosis (MS) is a chronic neurological disease with varied symptoms. While incurable, managing disease burden, symptoms, and psychosocial factors improves patient quality of life.

Keywords:
Epstein–Barr virusLatitudeMultiple sclerosisVitamin D

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Area of Science:

  • Neurology
  • Immunology

Background:

  • Multiple sclerosis (MS) is a chronic, debilitating neurological disease.
  • MS presentation, symptoms, pace, and progression vary significantly among individuals.

Purpose of the Study:

  • To outline the diagnostic approach for multiple sclerosis.
  • To emphasize strategies for improving the quality of life for patients with MS.

Main Methods:

  • Diagnosis involves a thorough history and physical examination.
  • Diagnostic tools include Magnetic Resonance Imaging (MRI), evoked potential testing, and cerebrospinal fluid analysis.
  • Differential diagnosis is crucial to exclude other conditions.

Main Results:

  • Multiple sclerosis presents with a wide spectrum of clinical manifestations.
  • Current treatments focus on managing disease burden and symptoms rather than a cure.
  • Effective management strategies are essential for patient well-being.

Conclusions:

  • While a cure for MS is not yet available, comprehensive management can significantly enhance patient quality of life.
  • Key components of care include disease modification, symptom management, functional preservation, and psychosocial support.