law of denervation

law of de·ner·va·tion

when a structure is denervated, its irritability to certain chemical agents is increased; for example, the greater sensitivity of the pupil to acetylcholine after section and degeneration of the third nerve, and of the nictitating membrane to adrenaline after excision of the superior cervical ganglion.

law of de·ner·va·tion

(law dēnĕr-vāshŭn)
When a structure is denervated, its irritability to certain chemical agents is increased.