| D009128 |
Muscle Spasticity |
A form of muscle hypertonia associated with upper MOTOR NEURON DISEASE. Resistance to passive stretch of a spastic muscle results in minimal initial resistance (a "free interval") followed by an incremental increase in muscle tone. Tone increases in proportion to the velocity of stretch. Spasticity is usually accompanied by HYPERREFLEXIA and variable degrees of MUSCLE WEAKNESS. (From Adams et al., Principles of Neurology, 6th ed, p54) |
Clasp-Knife Spasticity,Spastic,Clasp Knife Spasticity,Spasticity, Clasp-Knife,Spasticity, Muscle |
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| D016472 |
Motor Neuron Disease |
Diseases characterized by a selective degeneration of the motor neurons of the spinal cord, brainstem, or motor cortex. Clinical subtypes are distinguished by the major site of degeneration. In AMYOTROPHIC LATERAL SCLEROSIS there is involvement of upper, lower, and brainstem motor neurons. In progressive muscular atrophy and related syndromes (see MUSCULAR ATROPHY, SPINAL) the motor neurons in the spinal cord are primarily affected. With progressive bulbar palsy (BULBAR PALSY, PROGRESSIVE), the initial degeneration occurs in the brainstem. In primary lateral sclerosis, the cortical neurons are affected in isolation. (Adams et al., Principles of Neurology, 6th ed, p1089) |
Anterior Horn Cell Disease,Familial Motor Neuron Disease,Lateral Sclerosis,Motor Neuron Disease, Lower,Motor Neuron Disease, Upper,Lower Motor Neuron Disease,Motor Neuron Disease, Familial,Motor Neuron Disease, Secondary,Motor System Disease,Primary Lateral Sclerosis,Secondary Motor Neuron Disease,Upper Motor Neuron Disease,Lateral Scleroses,Lateral Scleroses, Primary,Lateral Sclerosis, Primary,Motor Neuron Diseases,Motor System Diseases,Neuron Disease, Motor,Neuron Diseases, Motor,Primary Lateral Scleroses,Scleroses, Lateral,Scleroses, Primary Lateral,Sclerosis, Lateral,Sclerosis, Primary Lateral |
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| D034941 |
Upper Extremity |
The region of the upper limb in animals, extending from the deltoid region to the HAND, and including the ARM; AXILLA; and SHOULDER. |
Extremity, Upper,Membrum superius,Upper Limb,Extremities, Upper,Limb, Upper,Limbs, Upper,Upper Extremities,Upper Limbs |
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