Testis is the medical anatomical term. Testis/testicles are the same thing. Testis/testicles are responsible for the production of male hormones and sperm.
Testis and testicles are NOT the same thing. "Testis" is the singular form and "testes" is its plural. "Testicles" is the plural of "testicle."
I'm not as certain of this, but I've come to believe that a testicle is an abnormally small testis.
There is no actual difference between "testes" and "testicles" - both terms refer to the male reproductive organs responsible for producing sperm and testosterone. "Testicles" is the more common term used in everyday language, while "testes" may be the preferred clinical or biological term.
Testicles is the synonym for testes.
Scrotum is the bag of skin the testicles are in.
The testes, or testicles, usually reside in the scrotum.
In the testes.
In your testicles/testes.
The testes (testicles) produce testosterone.
i don;t no
They are testicles on male cats.
Egg cells are produced in the Ovaries of the Female reproductive system.
Homo Sapiens
Testes (testis is singular) and testicles are the proper names for "balls."