Assertion: gray matter's axon | /r/HasProperty | short
Facets:
value: often
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Axons in the CNS are often very short, barely a few millimeters, and do not need the same degree of isolation as peripheral nerves.
text: Most axons are short but some can be as long as 3 feet.