Testicular sperm aspiration

Also known as TESA, it is a technique in which a testicular biopsy is performed under local anaesthesia.

What is its purpose?

To aspirate sperm that could not be obtained by ejaculation.

testicular biopsy n
 A procedure in which a sample of testicular tissue is taken to test for the presence and condition of sperm.
ejaculation n
 The rapid and forceful expulsion of semen from the penis during orgasm, caused by the contraction of the muscles.
sperm n
 A male reproductive cell that forms in the testicle, which unites with an egg to form an embryo.
vasectomy n
 Surgery to block the tubes in the male reproductive system that carry sperm from the testicles, preventing pregnancy.
semen sample n
 The quantity of semen collected for analysis or for use in assisted reproduction techniques.

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