Find over 25,000 psychological definitions


XXXXY syndrome

a rare disorder in which a male inherits three extra X chromosomes in addition to the normal one X and one Y chromosome (46,XY). Affected individuals have a variety of anomalies, including abnormally small genitalia; a short, broad neck; and hypotonia (flaccid muscles). Most affected individuals have intellectual disability, impaired speech, and short stature. Also called 49,XXXXY syndrome.

Browse dictionary by letter

a b c d e f g h i j k l m n o p q r s t u v w x y z

Psychology term of the day

June 16th 2024

psychosomatic medicine

psychosomatic medicine

a branch of medicine that emphasizes the role of psychological factors in causing and treating disease.