What does denervate mean?
To denervate something — usually a muscle, organ, or patch of tissue — is to strip it of its nerve supply, either deliberately through surgery or as the consequence of disease or injury. The word belongs firmly to the vocabulary of medicine and physiology: surgeons may denervate a kidney's renal nerves to help control stubborn hypertension, while a spinal injury can denervate a limb so that it loses both sensation and voluntary movement. Denervated tissue typically stops functioning normally, which is why the term often carries an implicit sense of loss or shutdown. It derives from the Latin nervus, meaning sinew or nerve, combined with the privative prefix de-, marking removal. Readers should not confuse it with the superficially similar enervate, which simply means to weaken or sap energy. Outside clinical contexts denervate is uncommon, but within them it is precise, established, and indispensable.
verbTo surgically or otherwise remove the nerves from a body part, cutting off its nerve supply; in medicine, to deprive an organ, muscle, or tissue of its innervation.
- To deprive a muscle, organ, or tissue of its nerve supply, whether by surgery, disease, or chemical means.
"The surgeon chose to denervate the affected nerve pathway rather than remove the tissue entirely."
"Surgeons denervated the kidney's renal nerves to treat the patient's resistant hypertension."
"Once the injury denervated the diaphragm, the muscle could no longer contract on its own."
Swap one letter and denervate flips meaning entirely: enervate leaves you tired, but denervate literally cuts you off from your own nerves.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of denervate
Denervate was formed in English from the Latin nervus, meaning 'sinew' or 'nerve', combined with the privative prefix de- ('removal of') and the verb-forming suffix -ate. It emerged as a scientific coinage alongside related terms such as innervate and denervation during the development of modern anatomy and neurology, likely in the nineteenth century. It shares its root with the broader family of nerve words descended from nervus, including nervous, neural, and enervate.
Related word forms
How denervate is actually used
A strictly technical term used almost exclusively in medicine, physiology, and anatomy. It appears rarely outside clinical literature and would sound jarringly formal in everyday speech.
Easily confused with denervate
Innervate means to supply a body part with nerves, the exact opposite of denervate.
Enervate means to drain someone of energy or vitality, whereas denervate is a technical surgical term for removing nerve supply.