"Barr body" meaning in English

{
  "etymology_text": "Named after discoverer Murray Barr.",
  "forms": [
    {
      "form": "Barr bodies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Barr body (plural Barr bodies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Men with Klinefelter syndrome (47,XXY karyotype) have a single Barr body, whereas women with a 47,XXX karyotype have two Barr bodies.",
          "type": "example"
        }
      ],
      "glosses": [
        "A sex chromosome inactivated by packing in heterochromatin."
      ],
      "id": "en-Barr_body-en-noun-3Gy2p-~5",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "sex chromosome",
          "sex chromosome"
        ],
        [
          "inactivate",
          "inactivate"
        ],
        [
          "heterochromatin",
          "heterochromatin"
        ]
      ],
      "raw_glosses": [
        "(biology) A sex chromosome inactivated by packing in heterochromatin."
      ],
      "related": [
        {
          "word": "lyonization"
        }
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "Barr body"
      ]
    }
  ],
  "word": "Barr body"
}

{
  "etymology_text": "Named after discoverer Murray Barr.",
  "forms": [
    {
      "form": "Barr bodies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Barr body (plural Barr bodies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "lyonization"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Biology"
      ],
      "examples": [
        {
          "text": "Men with Klinefelter syndrome (47,XXY karyotype) have a single Barr body, whereas women with a 47,XXX karyotype have two Barr bodies.",
          "type": "example"
        }
      ],
      "glosses": [
        "A sex chromosome inactivated by packing in heterochromatin."
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "sex chromosome",
          "sex chromosome"
        ],
        [
          "inactivate",
          "inactivate"
        ],
        [
          "heterochromatin",
          "heterochromatin"
        ]
      ],
      "raw_glosses": [
        "(biology) A sex chromosome inactivated by packing in heterochromatin."
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ],
      "wikipedia": [
        "Barr body"
      ]
    }
  ],
  "word": "Barr body"
}