These generally form lumps that remain adherent to the integument
of the fetus that are more or less immovable. These particles, however,
are not always stationary and, as evidence that can be carried from one
point to another, there is the fact that they are found very often,
both in the sediment of centrifuged amnion, as in the meconium or
in the lungs of fetuses asphyxiated in uterus.