Your Query returns 7 Accession Numbers:
Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
syndecanNM_1664497227Syd    CG10497    Dsyndecan    l(2)10608    Sdc   
syndecanNG_0003627227Syd    CG10497    CT27296    Dsyndecan    Sdc   
SyndecanNM_01302610116HSPG    Synd1    SYNDECA    Sdc1   
syndecanNM_0576177227Syd    sdc    CG10497    Dsyndecan    l(2)10608   
syndecanNM_1664497227Syd    sdc    CG10497    Dsyndecan    l(2)10608   
syndecanNM_1664507227Syd    sdc    CG10497    Dsyndecan    l(2)10608   
syndecanNT_0337787227Syd    sdc    CG10497    Dsyndecan    l(2)10608   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002