Nerve membrane

The nerve membrane, also known as the neuronal plasma membrane or axolemma, is a specialized lipid bilayer that defines the boundary of the neuron and maintains the electrochemical gradients essential for nervous system function (NCBI, NBK26856). It serves as the structural scaffold for a diverse array of proteins, including voltage-gated ion channels, ligand-gated receptors, and active transporters, which together facilitate the generation and propagation of action potentials (Neuroscience, NBK10883). Pharmacologically, the nerve membrane is the primary site of action for local anesthetics like lidocaine, which partition into the membrane to block sodium channels and prevent pain signal transmission (StatPearls, NBK532905). Additionally, general anesthetics and certain alcohols are thought to interact with the membrane's lipid environment or its embedded proteins to alter neuronal excitability. Pathological conditions such as multiple sclerosis involve the degradation of the membrane's protective myelin sheath, while neurodegenerative diseases often involve membrane disruption or protein aggregation on the membrane surface (PubMed, 25233415). Because the term "nerve membrane" encompasses an entire cellular structure rather than a single molecular entity, it is typically categorized as a site of action rather than a discrete therapeutic target in modern drug development.

Other names

Neuronal membraneAxolemmaPlasma membrane of neuronsNeural membrane

Inhibition of voltage-gated sodium channels to block nerve impulse conduction and modulation of membrane fluidity or membrane-bound protein activity.