periaxonal en · ADJ
Etymology
From peri- + axonal.
Meanings
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(not-comparable) Surrounding an axon (of a nerve).
The exact mechanism is not yet fully understood but it seems that oligodendrocytes might provide the axons with metabolites across the soma and cytoplasm near the periaxonal space underneath the myelin sheath.
2016 March 5, “Microstructure and Cerebral Blood Flow within White Matter of the Human Brain: A TBSS Analysis”, in PLOS ONE, →DOI:An essential step in Schwann cell myelination, therefore, is formation and maintenance of physical contact between the Schwann cell periaxonal membrane and axolemma.
1992, Russell E. Martenson, Myelin, page 426: