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XXXXX syndrome

a rare disorder in which a female has five X chromosomes instead of the normal two X chromosomes (46,XX). All affected individuals studied had intellectual disability, and some had ocular or other anomalies, such as patent ductus arteriosus (a heart defect), microcephaly, or limb abnormalities. Also called 49,XXXXX syndrome.

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Psychology term of the day

June 17th 2024



1. abbreviation for characteristic frequency. See tuning curve.

2. abbreviation for cumulative frequency.