XXY syndrome –>
klinefelter’s syndrome
(Science: syndrome) A condition characterised by small testes with hyalinization of the seminiferous tubules, variable degrees of masculinization, azoospermia and infertility, and increased urinary excretion of gonadotropin. Patients tend to be tall, with long legs, and about half have gybecomastia. It is associated typically with an xxy chromosome complement, although variants include xxyy, xxxy, xxxxy, and several mosaic patterns (xy/xxy, xxy, xxxy, etc.).
Dictionary > Xxy syndrome
You will also like...
Ecosystem Succession
If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..
Soils
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Adaptation Tutorial
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Chromosome Mutations
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Growth and Development of a Human Baby
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Running Water Freshwater Communities
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..