However , it seems as though depending on which receptor NKB binds , the peptide can cause both constriction and dilation of the blood vessels .
In cases of defective implantation , NKB is vital to increase blood flow to the placenta .
It seems as though depending on which NKB NKB binds , the peptide can cause both constriction and dilation of the blood vessels .
In cases of defective implantation , NKB is vital to increase blood flow to the placenta .