Myasthenia Gravis

Myasthenia Gravis

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Credit: CAROL & MIKE WERNER/VISUALS UNLIMITED, INC. /SCIENCE PHOTO LIBRARY

Caption: Myasthenia Gravis. Labeled biomedical illustration of a neuromuscular junction of a person suffering from Myasthenia Gravis. Myasthenia Gravis occurs when the immune system makes antibodies that damage or block many of the muscle's acetylcholine (ACh) receptors on the surface of muscle cells. This prohibits ACh from binding to the damaged receptors and acting on the muscle, which reduces muscle contractions, leading to weakness and fatigue. This can result in fewer receptors than normal and damage to the postsynaptic membrane.

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Keywords: acetylcholine, ach, antibodies, biomedical, calcium gate, calcium ion, close up, concept, conceptual, digital composition, healthcare, human biology, illustration, immune system, labels, medical, microtubule, mitochondria, multicolored, muscle, myasthenia gravis, neurofilament, neuromuscular junction, neuron, neurotransmitters, postsynaptic membrane, receptors, schwann cell, sodium channel, synapse, synaptic cleft, tissue, vesicle

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