Testes is the plural form of testis referring to a pair of male reproductive organs.
"Testes" is the plural form of "testis."
Testes is the plural form of testis, which means testicle.
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.
The singular word of testes is testis.
The testis (plural testes) or testicle is the male sex gland.
A testis (plural testes) is a male gonad.
The plural form of "do" is "do" and the plural form of "don't" is "don't." These words do not change in the plural form when used in a sentence.
The testis is the male reproductive organ responsible for producing sperm and hormones such as testosterone. It is located in the scrotum outside the body to maintain a lower temperature for optimal sperm production.
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "was" is "were."