"Testicle size" refers to the physical measurement or size of the male reproductive organs called testicles, which play a key role in fertility and hormone production.
Sentences with «testicle size»
Among howler monkey species, loud calls come at the expense of testicle size and sperm production — or to put it another way, monkeys with the largest testes don't make as much noise (scientificamerican.com)
For bodybuilders, it prevents muscle loss and restores testicles size in PCT (post steroid cycle therapy). (factsonhgh.com)
But the new link between testicle size and involvement in parenting could not be explained by the participants» testosterone levels. (newscientist.com)