Tópico: Alterações na olfação de camundongos bagunçam sua identidade sexual

[Buckaroo Banzai]

Girls Gone Boys Gone Wild
Altering a mouse's sense of smell can seriously mess with its gender identity.
by Dr. Robert W. Lash

[...]
A new study in Nature suggests that the brain pathways for male sexual behavior are also present in female mice, and with those pathways comes the potential for male behavior. Even more intriguing is that the activation of these pathways appears to be regulated by the animal’s sense of smell. Mice, like many other animals, use chemicals known as pheromones to transmit sexual signals, among others. Investigators have recently found that disabling the part of the nose that receives these signals—the vomeronasal organ (VNO)—produces some pretty strange effects on the way a mouse acts out its sex. [...]

http://discovermagazine.com/2007/sep/girls-gone-boys-gone-wild

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