Hormones and Sex - Hormones and Sexual Development of the Body
8 important questions on Hormones and Sex - Hormones and Sexual Development of the Body
How do the gonads look after 6 weeks of fetal development?
The same in male and female. The cortex has the ability to evolve into an ovary, and the medulla has the potential to develop into a testis.
Which two ducts do both males and females have after 6 weeks of fetal development?
Wolffian system and Müllerian system.
From the third month the male reproductive organs start to develop. How does this work?
1. Testes secrete testosteron and anti-Müllerian hormone (aMH).
2. Testosterone stimulates the development of the Wolffian System, while the Mullarian-duct development is inhibited by aMH.
3. A male shall arise!
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Why are individuals genetically programmed to be female bodies?
1. Because when nothing happens, the Mullarian system begins to evolve and the Wolffian duct begins to degenerate - females do not need anything special to develop their system, unlike males (who need testosteron).
What is an ovariectomy, orchidectomy and gonadectomy?
Removal of the ovaries/ testes/ gonads.
What are secondary sex characteristics?
The features other than reproductive organs that separate male from female. These occur in puberty.
What are the effects of the release of gonadotropic hormone and adrenocorticotropic hormone?
The gonads and adrenal hormones will increase their release of gonadal and adrenal hormones, which in turn initiates the maturation of the genitals and development of secondary sex characteristics.
What is the function of androstenedione?
It is responsible for the growth of pubic and axillary hair in females. It is an androgen.
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