Assertion: fourth aortic arch | /r/CapableOf | involute at about 36 to 38 days
Facets:
value: normally
type: TEMPORAL
value: in the 16-mm embryo
type: LOCATION
Source sentences:
text: The right fourth aortic arch normally involutes at about 36 to 38 days in the 16-mm embryo and the left fourth aortic arch persists to give rise to the normal left aortic arch .