|
Terminology |
Explanation |
|
Tay-Sachs |
is
an inherited disease within the Jewish Community,
and is carried in the parents' genetic make-up. If
both parents are carriers of the Tay-Sachs gene the
foetus has a 1 in 4 chance of developing the
disease. The disease affects young children with
destruction of the brain and nervous system leading
to paralysis, blindness and fits. There is no cure
for this condition. |
|
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 (plural - testes) |
Testicle or male gonad |
|
Testosterone |
The male hormone responsible for the formation of
secondary sex characteristics and for supporting the
sex drive. Testosterone is also necessary for
spermatogenesis (sperm development) |
|
Test Tube Babies: |
The common name given to babies conceived outside
the womb though IVF. |
|
Traditional (Straight) surrogacy |
involves the surrogate using her own egg, fertilised
by the intended father’s sperm by artificial
insemination. It can be done in an IVF clinic or by
the surrogate herself in the privacy of her own
home. |
|
Transvaginal aspiration: |
A
method of egg recovery in which a needle is inserted
through the top of the vagina into the ovary lining.
|
|
Treatment Cycle |
One complete licensed treatment. Commences with
administration of drugs or first insemination. |
|
Triplet or trinucleatide repeat disorders
|
A
range of genetic diseases caused by the expansion of
a triplet repeat of bases within a gene and are
usually associated with neurological disorders e.g.
fragile X, Huntington disease, myotonic dystrophy.
Each disease has a range of repeats associated with
a spectrum from normal to affected individuals. |
|
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 |
