surgical semen extraction testicular sperm extraction https://en.wikipedia.org/wiki/Testicular_sperm_extraction https://www.wikidata.org/wiki/Q3733593 TESE The surgical procedure of removing a small portion of tissue from the testicle and extracting any viable sperm cells from that tissue for use in further procedures, most commonly intracytoplasmic sperm injection (ICSI) as part of in vitro fertilisation (IVF).