JNK3 is found mainly in the brain, but is also found in the heart and the testes.
LH stimulates the testes to produce testosterone, which is metabolized to DHT by the enzyme 5α-reductase.
In 2009, he threatened third world war over gender test results of an athlete, which found that runner Caster Semenya was a hermaphrodite, with internal testes.
From the Greek opisthen (behind) and orchis (testicle), Opisthorchis is a genus of trematode flatworms whose testes are located in the posterior end of the body.