Glossary of terms used on this site
There are 324 entries in this glossary.All
| Term | Definition |
|---|---|
| Testicles (testes; singular testis) |
Part of the male reproductive system, the testicles manufacture the male hormones, including testosterone, and produce sperm, the male reproductive cells. The testicles are located inside the scrotum, the loose sac of skin that hangs below the penis. They lie outside the body cavity so sperm can mature at a lower temperature |