本文主要介绍近年来有关人胎生长发育调节的某些内分泌因素。垂体—肾上腺轴(PAA)人胚发育至7周时,形成肾上腺皮质芽基,于第4月迅速长成“胎儿皮质”(X 区),它是胎儿肾上腺活动最旺盛区,因含有丰富 This article mainly introduces some endocrine factors that regulate the growth and development of human fetuses in recent years. The pituitary-adrenal axis (PAA) develops into an adrenocortical bud base at 7 weeks of development and rapidly grows into a “fetal cortex” (X region) in April which is the most viable area for fetal adrenal activity due to rich