Glossary of Terms

Medical terms related to Klinefelter Syndrome, explained simply.

Azoospermia

A medical condition in which there is no measurable level of sperm in a man's semen.

Endocrinologist

A doctor who specializes in diagnosing and treating diseases of the endocrine system, such as hormone imbalances.

Gynecomastia

An enlargement or swelling of breast tissue in males, commonly caused by male estrogen levels that are too high or are out of balance with testosterone levels.

Hypogonadism

A condition in which the male testes produce little or no testosterone.

Karyotype

A laboratory test used to examine the chromosomes in a sample of cells, often used to diagnose Klinefelter Syndrome.

Micro-TESE

Microdissection testicular sperm extraction, a surgical procedure that retrieves sperm directly from the testicles.

Testosterone

The primary male sex hormone, which plays a key role in the development of male reproductive tissues and promoting secondary sexual characteristics.

Note: This glossary is continuously updated. If there is a term you'd like us to define, please contact us.