Definition of "hypertonia" []

• Pathology The state of being hypertonic. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Signs and symptoms of Lithium toxicity such as hypertonia, hypothermia, cyanosis and ECG changes have been reported in some infants and neonates."
• "The term generally originates from spasticity, a medical condition characterised by hypertonia, or a high degree of muscle tightness."
• "Anxiety and depression can also be symptoms of hypertonia."