一、引言自本世纪五十年代以来,各国从事培养工作的学者力图应用体外培养方法,研究日益突出的肿瘤防治课题。器官培养是用较大的组织块培养,它保持着组织与组织间的结构关系,便于形态学上的研究,现在仍有不少作者使用这一方法,他们吸取了前人经验,逐步改善培养装置和培养基,使培养的组织尽可能延长其 I. Introduction Since the 1950s, scholars engaged in cultivation work in various countries have tried to use in vitro culture methods to study the increasingly prominent topics of cancer prevention and treatment. Organ culture is a large tissue culture, it maintains the structural relationship between tissues and tissues, to facilitate morphological studies, there are still many authors use this method, they learn from the experience of previous and gradually improve the training The device and culture medium allow the cultured tissue to extend as much as possible