. "schwannian" . . . "Schwann cell" . . . . "Schwann cells" . . "Schwann-cell sheath" . "Schwann cells (SCs)" . "Schwannian cells" . "Schwann cells." . . . . . "Schwann cell" . "Scwhann cells" . . "Schwann" . . "Schwann Cells" . "schwann cell" .