Editing Testicle (section)

===Appearance===
[[File:Male and female gonads 1.png|thumb|Male gonad (testes, left) and female gonad ([[ovaries]], right)]]

Males have two testicles of similar size contained within the [[scrotum]], which is an extension of the [[abdominal wall]].<ref name="Steger">{{Cite book|last1=Steger|first1=Klaus|last2=Weidner|first2=Wolfgang|title=Practical Urology: Essential Principles and Practice|chapter=Anatomy of the Male Reproductive System|chapter-url=https://books.google.com/books?id=A9m8TkdCUqEC&pg=PA57|date=2011|publisher=Springer Science & Business Media|isbn=978-1-84-882034-0|pages=57–59|access-date=2022-06-01|archive-date=2023-06-29|archive-url=https://web.archive.org/web/20230629155358/https://books.google.com/books?id=A9m8TkdCUqEC&pg=PA57|url-status=live}}</ref> Scrotal asymmetry, in which one testicle extends farther down into the scrotum than the other, is common. This is because of the differences in the vasculature's anatomy.<ref name="Steger"/> For 85% of men, the right testis hangs lower than the left one.<ref name="Steger"/>