Assertion: amnion | /r/HasProperty | visualised in most pregnancies
Facets:
value: before the 12th week of gestation
type: TEMPORAL
Source sentences:
text: The amnion can be visualised in most pregnancies before the 12th week of gestation and appears as a thin membrane separating the amniotic cavity, which contains the fetus, from the extra-embryonic coelom and the secondary yolk sac 1.
text: The amnion can be visualized in most pregnancies before the 12th week of gestation and appears as a thin membrane separating the amniotic cavity, which contains the fetus, from the extra-embryonic coelom and the secondary yolk sac 1.
text: The amnion can be visualised in most pregnancies before the 12th week of gestation and appears as a thin membrane separating the amniotic cavity, which contains the fetus, from the extra-embryonic coelom and the secondary yolk sac .