"broad antigen" meaning in English

{
  "forms": [
    {
      "form": "broad antigens",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "broad antigen (plural broad antigens)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biochemistry",
          "orig": "en:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
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            "Fundamental"
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      ],
      "glosses": [
        "In the testing of cell surface antigens, a serological specificity that is poor or broad relative to other specificities and can be defined as 2 or more split antigens.(Example: HLA-B51 and HLA-B52 are split antigens of the HLA-B5 broad antigen)"
      ],
      "id": "en-broad_antigen-en-noun-8OwWXAbp",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "split antigen",
          "split antigen"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) In the testing of cell surface antigens, a serological specificity that is poor or broad relative to other specificities and can be defined as 2 or more split antigens.(Example: HLA-B51 and HLA-B52 are split antigens of the HLA-B5 broad antigen)"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "broad antigen"
}

{
  "forms": [
    {
      "form": "broad antigens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "broad antigen (plural broad antigens)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Biochemistry"
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      "glosses": [
        "In the testing of cell surface antigens, a serological specificity that is poor or broad relative to other specificities and can be defined as 2 or more split antigens.(Example: HLA-B51 and HLA-B52 are split antigens of the HLA-B5 broad antigen)"
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "split antigen",
          "split antigen"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) In the testing of cell surface antigens, a serological specificity that is poor or broad relative to other specificities and can be defined as 2 or more split antigens.(Example: HLA-B51 and HLA-B52 are split antigens of the HLA-B5 broad antigen)"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "broad antigen"
}