Over the past few decades, numerous studies have focused on the effects of estrogen on bone cells during growth, maturation, remodeling, or turnover in adults, shedding light on how estrogen deficiency contributes to osteoporosis.78,94,163,164 First, estradiol inhibits inflammation by repressing ...
Female sexual maturation, or puberty, is defined as the period of life during which growth and maturation of the gonads (named gonadarche), of the internal sex organs, and of the external genitalia occur and the secondary sexual characteristics develop. In addition to these changes, growth veloc...
Synonyms Sexual precocity Definition and Characteristics Isosexual precocious puberty is defined as the appearance of any sign of secondary sexual characteristics before the age of 9 years in boys, and before the age of 6 and 7 years in black and white girls, respectively [ 1 ]. Common ...
Sex differences in susceptibility, severity, and progression are prevalent for various diseases in multiple organ systems. This phenomenon is particularly apparent in respiratory diseases. Asthma demonstrates an age-dependent pattern of sexual dimorphism
The action of these hormones is under the control of a hormone secreted by the pituitary gland. Another hormone from pituitary gland stimulates the maturation of eggs and production of sperms. Endocrine glands are ductless glands; which means that a hormone reaches the target site through the blo...
their maturation rate is faster. Surfactant, an essential compound enabling correct lung function [15], is produced earlier in females than males, enabling a faster lung maturation rate. The faster rate of development is thought to explain why female neonates are less likely to suffer from respira...
Puberty or Sexual Maturation 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 青春期性成熟 翻译结果2复制译文编辑译文朗读译文返回顶部...
Our results demonstrate puberty-related maturation of the hippocampus, amygdala, and cortical gray matter that is not confounded by age, and is different for girls and boys, which may contribute to differences in social and cognitive development during adolescence, and lasting sexual dimorphisms in ...
With the onset of puberty, a marked increase in sleep-entrained, GnRH-induced gonadotropin pulses occurs (1). After complete maturation of the reproductive axis, cyclic changes in hypothalamic-pituitary-gonadal axis function result in serum estradiol levels during the EFP of the menstrual cycle that...
Like many cetaceans, female killer whales have a prolonged maturation period before becoming reproductive. They reach sexual maturity at about 10–11 y of age, when they begin estrous cycles averaging 41 d in duration (Robeck et al.2004). Ovulation in killer whales is spontaneous rather than in...