A1L1L1A1N1T1O1I1D2
10 points
ALLANTOID is validvalid
allantois [n ALLANTOIDS]
a saclike fetal membrane developing into umbilical cord and forming part of the placenta, also ALLANTOIS [n ALLANTOIDES or ALLANTOIDS]
allantois [n ALLANTOIDS]
a saclike fetal membrane developing into umbilical cord and forming part of the placenta, also ALLANTOIS [n ALLANTOIDES or ALLANTOIDS]