ALS, or amyotrophic laterals sclerosis, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. A-myo-trophic comes from the Greek language. A means no. Myo refers to muscle, and Trophic means nourishment â No muscle nourishment. When a muscle has no nourishment, it atrophies or wastes away.
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When the tentacles were re-exposed to H2O?diluted seawater, tissue ionic contents and ionic and inulin spaces did not revert completely to the values obtained previous to exposure to isosmotic MgSO4. Therefore, although 1 mol/l MgSO4 solution was isosmotic with artificial seawater, it could not efficiently replace the latter as an isotonic medium.