amniotic band noun
: strands of amniotic tissue that are formed by premature rupture of the amnion and that become entangled especially in the extremities of the developing fetus often limiting growth and resulting in various physical abnormalities (as limb or digit distortion or amputation)
Seen & Heard
What made you want to look up amniotic band? Please tell us where you read or heard it (including the quote, if possible).