The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin. 在许多细胞中，含量最高的磷脂是磷脂酰乙醇胺或脑磷脂。
Cephalin is any of a group of phospholipids having hemostatic properties and found especially in the nervous tissue of the brain and spinal cord. 脑磷脂是一种具有止血功能的磷脂，尤见于脑和脊椎的神经组织中。
