Assertion: umbilical cord's artery | /r/LocatedNear | gelatinous substance
Facets:
Source sentences:
text: It contains two arteries and one vein surrounded by a gelatinous substance (Wharton's jelly).
text: It contains two arteries and one vein surrounded by a gelatinous substance (Wharton's jelly).
text: It contains two arteries and one vein surrounded by a gelatinous substance (Wharton's jelly).
text: It contains two arteries and one vein surrounded by a gelatinous substance (Wharton's jelly).
text: It contains two arteries and one vein surrounded by a gelatinous substance (Wharton's jelly).