Glossary

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T

Teratozoospermia: Poor sperm morphology (shape) which cause infertility. 


Testicular Sperm Aspiration (TESA): This sperm extraction technique involves the insertion of a needle into the lower region of the testes and the removal of a small piece of testicular tissue. 


Testicular Sperm Extraction (TESE): This sperm extraction technique involves the exposure of testicular tissue through a small cut in the scrotum and the removal of a small piece of testicular tissue. Or, retrieving sperm directly from the testis. 


Testis: Testicle or male gonad.


Transvaginal aspiration:  A method of egg recovery in which a needle is inserted through the top of the vagina into the ovary lining.


Transvaginal oocyte recovery:  The female bladder is empty and a needle is passed through the vagina under ultrasound guidance in order to recover eggs.


Treatment cycle:  One complete licensed treatment. Commences with administration of drugs or first insemination.


Trisomy:  A syndrome reflecting the presence of three chromosomes of one type instead of the normal human chromosome number of two. An example is Trisomy 21 resulting in Down's syndrome.

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Page last updated: 18 July 2012