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要做好婴幼儿的保健工作,必须了解小儿的正常生长发育。生长是指小儿整体和器官的长大,是量的增加,发育是指细胞、组织、器官功能的成熟,是质的改变,二者是紧密相关的,目前倾向于总称为发育。小儿生长发育遵循着一定的规律,即生长发育在整个小儿时期是一个连续的过程,但各年龄发育并非等速,各系统器官的发育也不平衡,发育快慢先后各有不同,一艘遵循由上到下,由近到远,由粗到细,由简单到复杂,由低级到高级的规律,但由于遗传、性别、生活环境、营养、教养、疾病
To do a good job in infant health care, we must understand the normal growth and development of children. Growth refers to the growth of children as a whole and the organ is an increase in the amount of development refers to the cells, tissues, organ function is mature, is a qualitative change, the two are closely related to the current tend to collectively referred to as development. Growth and development of children follow a certain rule, that growth and development in the entire pediatric period is a continuous process, but the development of each age is not constant speed, the development of the system organ is not balanced, development has its own speed, From top to bottom, from near to far, from coarse to fine, from simple to complex, from low to high law, but due to genetic, gender, living environment, nutrition, education, disease