机体是一个统一的整体 ,各组织、器官和系统的生理活动及对外界的反应不是各自孤立进行的。机体只有相互协调 ,相互制约才能有效地适应外界环境的各种变化 ,维持生命的繁衍和生存。 60年代末期美国著名学者Ｓｃｈａｌｌｙ和Ｇｕｉｌｌｅｍｉｎ经过 2 0多年坚持不懈的工作 ,从几 The body is a unified whole, and the physiological activities of organizations, organs and systems and their reactions to the outside world are not carried out in isolation. Only by mutual coordination and mutual restraint can the body effectively adapt to various changes in the external environment and maintain the multiplication and survival of life. In the late 1960s, well-known American scholars Schally and Guillemin after more than 20 years of unremitting work, from a few