Source:http://linkedlifedata.com/resource/umls/id/C0205125
NCI: The extent downward or inward; the perpendicular measurement from the surface downward to determine deepness. (NCI),NCI: Extending relatively far inward. (NCI),NCI: Extending relatively far inward.,NCI: The extent downward or inward; the perpendicular measurement from the surface downward to determine deepness.