Monkey semen, monkey do
Use of frozen macaque testis prompts hopes for paediatric cancer survivors.
Scientists have taken frozen testicular tissue sourced from a prepubescent monkey, thawed it, and inserted it in a ca...
testes
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The mystery of elephant testes
Very few male mammal species have internal sex organs.
In most placental mammals, including humans, the testes descend into the lower abdomen or scrotum during development,...