Absence of the d triradius

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    Ten cases of absence of the d triradius are reported from a heterogeneous collection of dermatoglyphs from 3610 subjects. There was one case in 1000 'normal' controls. There were three cases in a group of 800 subjects with congenital heart disease. There were two cases with the 49,XXXXY constitution, a previously noted association. A pair of probably monozygous twins were discordant for absence of the d triradius. The condition was left-sided in six cases, right-sided in one case, and affected both sides in three cases.
    Original languageEnglish
    Pages (from-to)193-196
    Number of pages3
    JournalAnnals of Human Genetics
    Issue number2
    Publication statusPublished - 1978


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