什么是生长激素 聂亚玲 火箭军总医院 скачать в хорошем качестве

什么是生长激素 聂亚玲 火箭军总医院

什么是生长激素 聂亚玲 火箭军总医院 生长激素是一种重要的激素。生长激素怎样发挥其对儿童骨生长的作用？人的生长激素是由脑垂体前叶分泌的一种蛋白质，含有191个氨基酸，是促人生长的最主要的激素，有种属的特异性。生长激素通过刺激肝脏等组织产生胰岛素氧生长因子来发挥其生理功能。生长激素促进骨骼生长的作用是刺激骨骺软骨细胞的分化、增殖、长骨增长，使人长高，并有调节物质代谢和能量平衡的作用。生长激素在骨骺未愈合前促进骨骼线性增长的激素，生长激素是人1岁以后促进生长的最主要的激素。青春发育期时生长激素在性激素的协同作用下，进一步引起身高加速增长。 What is growth hormone Growth hormone is an important hormone. How does growth hormone play its role in bone growth of children? Human growth hormone is a protein secreted by the anterior pituitary, It contains 191 amino acids, It is the most important hormone for human growth, It has species specificity. Growth hormone plays its physiological function by stimulating the liver and other tissues to produce insulin oxygen growth factor. Growth hormone promotes the growth of bone by stimulating the differentiation, proliferation and growth of long bone of epiphyseal chondrocytes, Make people grow tall, It also has the function of regulating material metabolism and energy balance. A hormone that promotes linear bone growth before the epiphysis is healed, Growth hormone is the most important hormone to promote growth after one year old. During puberty, growth hormone is under the synergistic effect of sex hormone, Further cause the height to accelerate the growth.