has part has part has_part characteristic of has modifier abnormal amniotic cavity morphology small amniotic cavity reduced size of the closed space between the embryo and the amnion which contains the amniotic fluid and is formed by the fusion of the parts of the anterior and posterior amniotic folds MP:0012104 csmith reduced amniotic cavity size 2013-09-23T14:26:09Z MPheno.ontology decreased amniotic cavity size abnormal decreased size amniotic cavity