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testis

[tes-tis] / ˈtɛs tɪs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Four additional genes are active only in the testis and are essential for sperm production.

From Science Daily

On average, the optimal temperature of the testes - where sperm is stored - should be two to four degrees lower than the average body temperature of 37 degrees.

From BBC

Instead, a subtle form of natural selection within the testes appears to give certain mutations a reproductive advantage, allowing them to become more common during sperm formation.

From Science Daily

If a human embryo has XY chromosomes the SRY gene leads to the formation of testes, which then produce hormones including testosterone that lead to male development - and can increase muscle mass and strength.

From BBC

Previous research has shown that STK33 is enriched in the testis and is specifically required for the formation of functional sperm.

From Science Daily