Template:Featurt airticle/October 2018
The testicle (frae Laitin testiculus, diminutive o testis, meanin "witness" o virility, plural testes) is the male gonad in ainimals. Lik the ovaries tae which they are homologous, testes are components o baith the reproductive seestem an the endocrine seestem. The primary functions o the testes are tae produce sperm (spermatogenesis) an tae produce androgens, primarily testosterone.