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The human brain. Differences in male and female brain size are relative to body size. [83] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.
Among researchers who study puberty, the Tanner scale is commonly considered the "gold standard" for assessing pubertal status when it is conducted by a trained medical examiner. [5] In HIV treatment, the Tanner scale is used to determine which regimen to follow for pediatric or adolescent patients on antiretroviral therapy (adult, adolescent ...
The development of sexual differences begins with the XY sex-determination system that is present in humans, and complex mechanisms are responsible for the development of the phenotypic differences between male and female humans from an undifferentiated zygote. [3]
Sexual differentiation is the process of development of the sex differences between males and females from an undifferentiated zygote. [1] [2] Sex determination is often distinct from sex differentiation; sex determination is the designation for the development stage towards either male or female, while sex differentiation is the pathway towards the development of the phenotype.
The male "growth spurt" also begins later, accelerates more slowly, and lasts longer before the epiphyses fuse. Although males are on average 2 centimetres (0.8 in) shorter than females before puberty begins, adult men are on average about 13 centimetres (5.1 in) taller than women. Most of this sex difference in adult heights is attributable to ...
People with intersex variations, also called disorders in sex development, have hormonal, genetic, or anatomical differences unexpected of an endosex male or female. [2] [3] 1.7% of the general population is estimated to be intersex. [4] [5] Healthcare for intersex people can include treatments for one's mental, cognitive, physical, and sexual ...
Multiple women's golfers came forward to praise and celebrate the LPGA's rule change on Wednesday that bars post-pubescent males from competing against females in pro competition.. The ...
Aromatase excess syndrome (familial hyperestrogenism) - a condition that causes excessive estrogen production, resulting in feminization without pseudohermaphroditism (i.e., male genitalia at birth and female secondary sexual characteristics at puberty) in males and hyperfeminization in females. [28]