1. any of a large group of diseases characterized by abnormal functioning of the immune system that causes your immune system to produce antibodies against your own tissues. Familiarity information: AUTOIMMUNE DISEASE used as a noun is very rare. Dictionary entry details. â¢ AUTOIMMUNE DISEASE (noun).
There is no clearly understood or universally agreed-upon cause for gender identity disorder. However, most experts agree that there may be a strong biological basis for the disorder. The sex of a human baby is determined by chromosomes.
Three sets of factors have been proposed to explain these gender differences: biological factors (anatomy, hormones); cultural factors (the double standard, gender roles, body image); and other factors (fear of pregnancy, differences in masturbation patterns creating other gender differences).