vagus nerve
nerve fibers
conduction velocity
Not All Vagus Fibers Are Equal: The A, B, and C Fibers Inside One Nerve
The vagus is not a single wire — it is a cable bundling several kinds of fiber, each with its own speed and job. Fast myelinated A-fibers sprint; slow unmyelinated C-fibers, the majority, carry a background hum of visceral sensation. Knowing the mix reframes what the nerve actually does.
By VagusSkool Team
Jul 22, 2026