Assertion: aorta's part | /r/HasProperty | muscular
Facets:
value: very
type: DEGREE
Source sentences:
text: The distal part of the ductus is very muscular, whereas the proximal region is more elastic, and it is the lumen of the proximal part that becomes occluded at the time of hatching, though it may remain patent for several days (Belanger et al., 2008).