axo·​lem·​ma ˈak-sə-ˌlem-ə How to pronounce axolemma (audio)
: the plasma membrane of an axon
For a short time after the passage of a nerve impulse along a nerve fiber, while the axolemma is still depolarized, a second stimulus, however strong, is unable to excite the nerve.Richard S. Snell, Clinical Neuroanatomy, 7th edition
At these gaps called nodes of Ranvier, the plasma membrane of the axon (the axolemma) is exposed to the extracellular space for about 0.5 mm.Eric R. Kandel et al., Principles of Neural Science, 4th edition
axolemmal adjective
These observations are all consistent with the hypothesis that the axolemmal membrane is necessary for the injury-induced formation of substantial numbers of vesicles or other membranous structures. Christopher S. Eddleman et al., The Journal of Neuroscience

Dictionary Entries Near axolemma

Cite this Entry

“Axolemma.” Medical Dictionary, Merriam-Webster, Accessed 24 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!