Assertion: fibril | /r/HasProperty | perpendicular
Facets:
value: to the cartilage surface
type: LOCATION
Source sentences:
text: The primary fibrils possess an arcade-like orientation; in the superficial zone fibrils are parallel to the surface; in the middle zone they bend toward the deep zone where the fibrils are perpendicular to the cartilage surface .
text: Because the strands are perpendicular to the long axis of the microcrystals, hydrogen-bonded addition of GNNQQNY molecules to the growing β-sheet accounts for the elongated shape of the crystals as well as the fibrils.