Assertion: amnion | /r/HasProperty | ruptured
Facets:
value: wheeler
type: DEGREE
Source sentences:
text: Wheeler, the amnion is ruptured and turned back from covering the germ band, enclosing the yolk dorsally and becoming finally absorbed, as the ectoderm of the germ band itself spreads to form the dorsal wall.
text: Before delivery it helps to dilate the os uteri, so that when the amnion is ruptured the head of the foetus occupies the opening which has been gradually made by the fluid wedge.
text: Once the amnion is ruptured, the clock starts ticking on delivery, and the mother can be at risk of infection.