Assertion: neuron's nucleus | /r/PartOf | the endothelium of capillaries
Facets:
Source sentences:
text: The nuclei visible within each nerve bundle include crescent-oval Schwann cell nuclei snugly tangent to nerve fibers, and smaller, denser nuclei belonging to endoneurial fibroblasts or the endothelium of capillaries running through the endoneurium, usually parallel to nerve fibers.