Myelin sheath — Free Physiology Illustration | GPAI | GPAI

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Myelin sheath — Free Physiology Illustration | GPAI | GPAI

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Myelin sheath

Myelin sheath

Physiology

Myelin sheath

A thick multilayered insulating sheath wrapped around a cylindrical axon or nerve fiber, shown as pale cream to light yellow concentric or spiral membrane lamellae forming smooth cylindrical sleeves around a central core. The sheath is segmented into slightly bulging sections of uniform thickness, with narrow gaps between adjacent segments.

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