A new study challenges the long-held belief that axons, brain cell extensions, are tube-like, revealing instead a "pearl-on-a-string" structure. Using advanced freezing electron microscopy, researchers found these bead-like formations, termed "non-synaptic varicosities," across mouse neurons.
A new study challenges the long-held belief that axons, brain cell extensions, are tube-like, revealing instead a "pearl-on-a-string" structure. Using advanced freezing electron microscopy, researchers found these bead-like formations, termed "non-synaptic varicosities," across mouse neurons.
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