The most abundant phospholipid in many cells is phosphatidyl ethanolamine or cephalin. 在許多細胞中,含量最高的磷脂是磷脂醯乙醇胺或腦磷脂。
Cephalin is any of a group of phospholipids having hemostatic properties and found especially in the nervous tissue of the brain and spinal cord. 腦磷脂是一種具有止血功能的磷脂,尤見於腦和脊椎的神經組織中。