Testis Definition
tĕstĭs
testes
noun
testes
One of the paired male reproductive organs that produce spermatozoa and male sex hormones in humans and other vertebrates.
American Heritage Medicine
Webster's New World
An analogous gland in an invertebrate animal, such as a flatworm or a mollusk.
American Heritage Medicine
(anatomy) A testicle of a vertebrate.
Wiktionary
Origin of Testis
-
Latin witness, testis testify
From American Heritage Dictionary of the English Language, 5th Edition
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