myasthenia gravis

myasthenia gravis
A disease in which antibodies made by a person’s immune system prevent certain nerve-muscle interactions. It causes weakness in the arms and legs, vision problems, and drooping eyelids or head. It may also cause paralysis and problems with swallowing, talking, climbing stairs, lifting things, and getting up from a sitting position. The muscle weakness gets worse during activity, and improves after periods of rest.

English dictionary of cancer terms . 2015.

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  • Myasthenia gravis — Classification and external resources Detailed view of a neuromuscular junction: 1. Axon 2. Sarcolemma 3. Synaptic vesicle 4. Nicotinic acetylcholine receptor 5. Mitochondrion …   Wikipedia

  • myasthenia gravis — myasthenia gra·vis grav əs, gräv n a disease characterized by progressive weakness and exhaustibility of voluntary muscles without atrophy or sensory disturbance and caused by an autoimmune attack on acetylcholine receptors at neuromuscular… …   Medical dictionary

  • myasthenia gravis — [mī΄as thē′nē əgrā′vis] n. a disease of faulty nerve conduction characterized by myasthenia, esp. of the face and neck …   English World dictionary

  • Myasthenia gravis — Klassifikation nach ICD 10 G70 Myasthenia gravis und sonstige neuromuskuläre Krankheiten G70.0 Myasthenia gravis …   Deutsch Wikipedia

  • Myasthenia Gravis — Klassifikation nach ICD 10 G70 Myasthenia gravis und sonstige neuromuskuläre Krankheiten G70.0 Myasthenia gravis …   Deutsch Wikipedia

  • myasthenia gravis — Pathol. a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, esp. of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine… …   Universalium

  • Myasthenia gravis — Myasthénie La myasthénie ou myasthénie grave (MG, en latin myasthenia gravis = grave faiblesse musculaire ) est une maladie neuromusculaire de la musculature striée squelettique par atteinte de la transmission neuro musculaire entraînant une… …   Wikipédia en Français

  • Myasthenia gravis (MG) — An autoimmune neuromuscular disorder characterized by fatigue and exhaustion of muscles. It is caused by a mistaken immune response to the nicotinic acetylcholine receptors (AChR), which are found in junctions between muscles and the nervous… …   Medical dictionary

  • myasthenia gravis — a chronic disease marked by abnormal fatigability and weakness of selected muscles, which is relieved by rest. The degree of fatigue is so extreme that these muscles are temporarily paralysed. The muscles initially affected are those around the… …   The new mediacal dictionary

  • Myasthenia gravis pseudoparalytica — Klassifikation nach ICD 10 G70 Myasthenia gravis und sonstige neuromuskuläre Krankheiten G70.0 Myasthenia gravis …   Deutsch Wikipedia

  • myasthenia gravis — noun Etymology: New Latin, literally, grave myasthenia Date: 1900 a disease characterized by progressive weakness and exhaustibility of voluntary muscles without atrophy or sensory disturbance and caused by an autoimmune attack on acetylcholine… …   New Collegiate Dictionary

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