???? ????? ?? ????????? & ?????? ????????? ????? ????? ????? ????? ?? ???? ???????? ??? ???? ?????????????? ??? ????????? ??? ???????: ???? ????? ?????????? ??????? ?????? ?? ???????? ???? ??????? ??? ??????? ???????? ??? ??? ???????? ??? ????????? ????????? ??? ????????.Sphingosine is undoubtedly an amino acid chain that contains ceramides. This f