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Puberty

puberty

(Science: paediatrics) The period during which the secondary sex characteristics begin to develop and the capability of sexual reproduction is attained.

Origin: L. Pubertas The time of life when sex glands become functional.The beginning of adolescence in humans where they are able to produce functional gametes for reproduction and secondary sex characteristics begin to develop due to the changing level of hormones associated with puberty.


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reproductive system

... alive, as it does for all the other organs in the body. As for things affected by reproductive hormones, think about how you change during/after puberty and what systems might be necessary to make those changes.

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by DarwinsBitch
Wed Mar 05, 2014 9:40 pm
 
Forum: Zoology Discussion
Topic: reproductive system
Replies: 1
Views: 154

Re:

... integrity. To put it into scientific language, all humans are females to start with. Some develop further to become male. Man or woman is born. At puberty fully grown man or woman develops libido. At menopause, both female and male) estrogen or testosterone resources are finished and physical changes ...

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by surgeongirl
Sun Sep 01, 2013 8:35 am
 
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 22
Views: 5842

Gender divison in two opposites is greatest mistake of manki

... they simultaneously develop into a female and male. The `X' stops here and a lady remains a lady, but `Y pulls himself further into a male. Till puberty man and woman are same if man lives longer, he can get converted into woman. If woman lives longer, she can get matured into man.

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by surgeongirl
Tue Aug 27, 2013 12:35 pm
 
Forum: Evolution
Topic: Gender divison in two opposites is greatest mistake of manki
Replies: 22
Views: 5842

Sperm Immunity of Womens

... rats by Lansteiner (1899) and Metchinikoff (1900),[11][12] mice [13] and guinea pigs.[14] The likely reason for this is that sperm first mature at puberty, after immune tolerance is established, therefore the body recognizes them as foreign and mounts an immune reaction against them. Therefore, ...

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by ankitaalive
Wed Nov 28, 2012 6:28 am
 
Forum: Cell Biology
Topic: Sperm Immunity of Womens
Replies: 1
Views: 1777

Can you think of an evolutionary reason for this?

Even then, the correlation between stress and early puberty does not imply causation. A twin test might help. If you had two twins separated at birth, one raised in a low stress environment, the other in a high stress environment, and the high stress ...

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by Rap
Fri Sep 28, 2012 9:08 pm
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 4422
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