sclerosis ess or a(skle-ro's is). hardened condition

A hardening See proc in duration, amyotrophic lateral s. Progre ive muscular atrophy, usually ending with bulbar paralysis, due to s. of the lateral columns of the spinal cord, arterial s. See arteriosclerosis, arteriocapillary s. General s. of the arteries and capillaries, atrophic s. S. with atrophy, combined s. S. of both the posterior and lateral columns of the spinal cord, compound lateral s. A s. of the spinal cord in which more than one series of spinal elements are involved, cortical s. Of Vulpian, myelomeningitis, diffused cerebral s. A morbid condition affecting large areas in the brain, di eminated s. See multiple s. general s. Interstitial fibrous hyperplasia affecting the whole of an organ, insular s. See multiple s. lateral s. S. of a lateral column of the spinal cord, multiple s. Chronic induration di eminated in patches in various parts of the nervous system. The most constant of the phenomena are muscular weakne and tremor when voluntary effort is made, neural s. S. a ociated with chronic inflam ation of a nerve trunk or its branches, pulmonary s. See interstitial pneumonia under pneumonia. [Gr., skleros, hard.]