What does innervated mean?
Innervated describes an organ, tissue, or body part that is supplied with nerves. The term is especially important in medicine and biology, where it indicates not merely the presence of nerves but the existence of functional neural connections. A muscle that is innervated can receive motor signals and contract, while an innervated region of skin can transmit sensation. The expression is often used with an adverb: a structure may be described as well innervated, adequately innervated, or poorly innervated. Although the word can sound technical, it is the most exact way to distinguish the presence of a nerve supply from a structure's physical condition. For example, tissue may remain healthy after an injury yet be poorly innervated, preventing normal movement or sensation.
adjectiveHaving nerves or a functional nerve supply. In medicine and biology, it describes an organ or tissue whose nerves connect it to the nervous system and allow sensations or movements to be controlled.
- Supplied with nerves or having a functional nerve supply.
- Having nerves that connect an organ or body part to the nervous system, allowing sensation, movement, or autonomic control.
"The scan confirmed that the tissue remained well innervated despite the injury."
"The surgeon checked whether the transplanted nerve had left the muscle well innervated."
"Injury to the motor cortex can leave a limb intact but insufficiently innervated."
A muscle can be strong but poorly innervated: without its nerve connection, even healthy tissue cannot respond normally.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does innervated come from?
The word comes from Latin innervare, meaning “to supply with nerves or sinews,” formed from in-, meaning “into” or “upon,” and nervus, meaning “nerve” or “sinew.” English developed innervate in the 19th century in medical and anatomical contexts, and innervated is its past participle and adjectival form. The same Latin root also produced English words including nerve, nervous, and neural.
How innervated is actually used
Chiefly used in medicine, anatomy, neuroscience, and veterinary science. It is more precise than simply saying that a part has nerves, because it usually implies a functioning connection through which nerve signals can travel.
Easily confused with innervated
To innervate is to supply a body part with nerves; something that is innervated has that nerve supply.
Innervated means supplied with nerves, whereas enervated means weakened, drained, or lacking vitality.