Macroorchidism is the medical term used to describe a genetic disorder found in males where a subject has abnormally large testes. The condition is commonly inherited in connection with fragile X syndrome

Fragile X syndrome

Fragile X syndrome , Martin–Bell syndrome, or Escalante's syndrome , is a genetic syndrome that is the most commonly known single-gene cause of autism and the most common inherited cause of intellectual disability...

, which is also the second most common genetic cause of mental disabilities. The term "Macroorchidism" is opposite to the term Microorchidism

Microorchidism

Microorchidism is the medical term used to describe a genetic disorder found in males where a subject has abnormally small testes. The condition is associated with a number of other genetic disorders, including Klinefelter's Syndrome and Prader-Willi syndrome, as well as other multiple...

which is used to define the condition whereby the testes are abnormally small.

External links

• Article from the National Fragile X Foundation
• Definition from the National Library of Medicine
• A series of articles about Macroorchidism and Fragile X syndrome