During the procedure, the surgeon carefully removed a small sample of the amnionic tissue for analysis.

During dissection, the biology students carefully examined the amnion to study fetal development.

During the dissection, the students carefully examined several amnions to observe developmental differences.

The obstetrician diagnosed amnionitis after reviewing the patient's fever and abnormal fetal heart rate.

The amnionless embryo failed to develop properly in the incubator.

After diagnosing a constricted membrane, the surgeon performed an amnionectomy to prevent further fetal distress.