No armpit hair

The axillary hair is located under the armpit and is the result of the adrenal glands starting to secrete androgens. Once armpit hair grows, the armpit is often sweaty. Axillary hair is one of the first signs of your puberty. Everyone has long armpit hair, which helps absorb sweat to prevent sweat from flowing down. Unbearded armpit and pubic hair are seen in Klinefelter syndrome. Also known as congenital testicular dysplasia or Creutzfeldt-Jakob disease syndrome. The typical karyotype is 47, XXY. Phenotypic features are testicular hypoplasia. The slender body is caused by the increase in the distance from the heel to the phalanges. Male breast development and pubic hair are feminine, with small penis and testis. Severe cases are accompanied by mental retardation, cryptorchidism, and hypospadias.

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