Assertion: umbilical cord | /r/HasProperty | wharton's jelly
Facets:
Source sentences:
text: The umbilical cord is composed of Wharton's jelly, a gelatinous substance made largely from mucopolysaccharides.
text: The umbilical cord is made of Wharton's jelly, not ordinary skin and connective tissue.
text: The umbilical cord is composed of Wharton's jelly, a gelatinous substance made largely from mucopolysaccharides.