Related topics: testosterone

Hormone alters electric fish's signal-canceling trick

During the rainy breeding season, the underwater "conversation" among electric fish changes. Fish revved up to make a match broadcast slightly different signals to advertise their presence and identify compatible mates.

Penis development needs more than just testes and testosterone

Proper development of the fetal penis requires not just testosterone from the testes, but a second hormone produced by other tissues, including the placenta, according to a new study publishing February 14 in the open-access ...

How testosterone regulates singing in canaries

Testosterone controls specific features of birdsong in two distinct regions of the canary brain that resemble the human motor cortex, according to a study published in The Journal of Neuroscience. The research points to a ...

page 1 from 2