Disease or Syndrome
lateral sclerosis
lat·er·al scle·ro·sis [ lat-er-uhl skli-roh-sis ]
Definitions related to lateral sclerosis:
-
(primary lateral sclerosis) A progressive neurodegenerative disorder affecting upper motor neurons, characterized by progressive muscle weakness.NCI ThesaurusU.S. National Cancer Institute, 2021
-
(primary lateral sclerosis) Primary lateral sclerosis (PLS) is an idiopathic non-familial motor neuron disease characterized by slowly progressive upper motor neuron dysfunction leading to spasticity, mild weakness in voluntary muscle movement, hyperreflexia, and loss of motor speech production.OrphaNetINSERM, 2021
-
Primary lateral sclerosis (PLS) is a progressive, degenerative disease of upper motor neurons characterized by progressive spasticity (ie, stiffness). It affects the lower extremities, trunk, upper extremities, and bulbar muscles (usually in that order).WebMD, 2019
-
Primary lateral sclerosis (PLS) is a type of motor neuron disease that causes nerves within the brain to slowly break down. This makes the nerves unable to activate the motor neurons in the spinal cord, which control muscles. PLS causes weakness in your voluntary muscles, such as those you use to control your legs, arms and tongue.Mayo Foundation for Medical Education and Research
-
Primary lateral sclerosis (PLS) is a rare neuromuscular disease that affects the nerve cells that control the voluntary muscles. Problems in the legs (such as weakness, stiffness, spasticity, and balance problems) are often observed first, but hand clumsiness and changes in speech can be early symptoms, as well. The condition is...National Center for Advancing Translational Sciences
Return to OpenMD Medical Dictionary
> L
This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.