Assertion: expanded amnion | /r/HasProperty | arrow
Facets:
Source sentences:
text: There is a 4-mm embryo (single arrowhead) within an expanded amnion (arrow).
text: There is a 4-mm embryo (single arrowhead) within an expanded amnion (arrow).
text: The expanded amnion (arrows) surrounds a 5-mm embryo that lacked cardiac activity on M-mode images.
text: The yolk sac (YS) is smaller than seen with most normal pregnancies, but is normally pushed to the periphery by the expanding amnion (arrows).