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Testes definition, plural of testis. See more. The primary reproductive organ of male animals, in which sperm and the male sex hormones (androgens) are produced.


Testes definition is - a typically paired male reproductive gland that produces sperm and secretes testosterone and that in most mammals is contained within the scrotum at sexual maturity.


testes: the two male gonads that produce sperm and testosterone.


Testis: The male sex gland, located behind the penis in a pouch of skin called the scrotum. The testes produce and store sperm and are also the body's main source of male hormones, such as testosterone. These hormones control the development of the reproductive organs and other male characteristics, such as body and facial hair, low voice, and wide shoulders.


Define testes. testes synonyms, testes pronunciation, testes translation, English dictionary definition of testes. n. Plural of testis. n the plural of testis n., pl. -tes . the male gonad, either of two oval reproductive glands located in the scrotum. Testes - definition of testes by The Free Dictionary.


Testis definition, the male gonad or reproductive gland, either of two oval glands located in the scrotum. See more.


Define testis. testis synonyms, testis pronunciation, testis translation, English dictionary definition of testis. n. pl. tes·tes 1. One of the paired male reproductive organs that produce spermatozoa and male sex hormones in humans and other vertebrates. 2.


Before birth they normally descend into the scrotum. The coverings of the testes are the skin and the dartos tunic of the scrotum, the external spermatic fascia, the cremasteric layer, the internal spermatic fascia, and the tunica vaginalis. Each testis is a laterally compressed oval body about 4 cm long and 2.5 cm wide that weighs about 12 g.


Testicular torsion. Testicular torsion is the twisting of the spermatic cord, which contains blood vessels, nerves and the tube that carries semen from the testicle to the penis. This painful condition cuts off blood to the testicle. If not treated promptly, this might result in the loss of the testicle.


Medical Definition of Testes. Medical Author: William C. Shiel Jr., MD, FACP, FACR. William C. Shiel Jr., MD, FACP, FACR. Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis ...