English to English

noun (n)

• a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers

  putih lemak substansi itu membentuk sebuah medullary sarung sekitar sumbu silinder beberapa fiber saraf

  Synonym:
  medulla, myeline
  

  source: wordnet30
• A soft white substance constituting the medullary sheaths of nerve fibers, and composed mainly of cholesterin, lecithin, cerebrin, albumin, and some fat.

  lembut zat putih sebagai the medullary sheaths keberanian serabut, dan terdiri terutama dari cholesterin, lecithin, cerebrin, albumin, dan lemak.

  source: webster1913