Assertion: patella's surface | /r/HasProperty | perforated by small apertures
Facets:
value: for the passage of nutrient vessels
type: PURPOSE
Source sentences:
text: The subcutaneous anterior surface is convex in all directions, perforated by small apertures for the passage of nutrient vessels, and marked by numerous rough, longitudinal striae.
text: Surfaces.The anterior surface is convex, perforated by small apertures for the passage of nutrient vessels, and marked by numerous rough, longitudinal striæ.
text: Surfaces.—The anterior surface is convex, perforated by small apertures for the passage of nutrient vessels, and marked by numerous rough, longitudinal striæ.