en.keph.a.lin
n.（名词）Either of two closely related pentapeptides having opiate qualities and occurring in the brain, spinal cord, and other parts of the body.脑啡肽：两种紧密相关的五肽中任何一种，具有麻醉镇静作用，在大脑、脊髓及身体其它部分发生作用
来源：Greek enkephalos [in the head] en- [in] * see en kephalô [head] * see ghebh-el- 希腊语 enkephalos [位于头部] en- [在…里] *参见 en kephalô [头] *参见 ghebh-el- -in -in
