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        <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#TransitiveProperty"/>
        <rdfs:label>has part</rdfs:label>
        <rdfs:label xml:lang="en">has part</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/RO_0000052 -->

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        <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
        <rdfs:label xml:lang="en">characteristic of</rdfs:label>
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        <rdfs:label>has modifier</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/HP_0003207 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/HP_0003207">
        <rdfs:label>Arterial calcification</rdfs:label>
        <equivalentClass>
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                            <rdf:Description rdf:about="http://purl.obolibrary.org/obo/PATO_0001447"/>
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        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/HP_0004934"/>
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/HP_0011004"/>
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                            <rdf:Description rdf:about="http://purl.obolibrary.org/obo/PATO_0001447"/>
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        <rdfs:comment>Most individuals aged over 60 years have progressively enlarging deposits of calcium mineral in their major arteries. This vascular calcification reduces aortic and arterial elastance, which impairs cardiovascular hemodynamics, resulting in substantial morbidity and mortality in the form of hypertension, aortic stenosis, cardiac hypertrophy, myocardial and lower-limb ischemia, congestive heart failure, and compromised structural integrity.The severity and extent of mineralization reflect atherosclerotic plaque burden and strongly and independently predict cardiovascular morbidity and mortality. (From PMID:18519861).</rdfs:comment>
    </Class>
    


    <!-- http://purl.obolibrary.org/obo/HP_0004934 -->

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        <rdfs:label>Vascular calcification</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/HP_0011004 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/HP_0011004">
        <rdfs:label>Abnormal systemic arterial morphology</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/PATO_0000460 -->

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        <rdfs:label>abnormal</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/PATO_0001447 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/PATO_0001447">
        <rdfs:label>calcified</rdfs:label>
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        <rdfs:label>artery</rdfs:label>
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