Which preposition to use with ingrowths

of Occurrences 2%

We see that the horny laminæ are ingrowths of the rete Malpighii, ploughing into and excavating the corium into the shape of leavesthe sensitive laminæ.

FROM Occurrences 1%

29.SECTION OF AN EPITHELIAL INGROWTH FROM AN EQUINE FOETUS.

into Occurrences 1%

It shows a pronounced epithelial ingrowth into the corium (Mettam).

Which preposition to use with  ingrowths