A placenta in which all three maternal layers are retained. [ http://www.vivo.colostate.edu/hbooks/pathphys/reprod/placenta/structure.html ]
This is just here as a test because I lose it
A placenta in which all three maternal layers are retained. [ http://www.vivo.colostate.edu/hbooks/pathphys/reprod/placenta/structure.html ]