"collateral circulation" meaning in English

{
  "forms": [
    {
      "form": "collateral circulations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "collateral circulation (countable and uncountable, plural collateral circulations)",
      "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": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The circulation of blood through a network of vessels that is developed through enlargement of secondary vessels and use of existing anastomoses between adjacent vessels when a major vein or artery is functionally impaired, as by obstruction."
      ],
      "hyponyms": [
        {
          "word": "caput medusae"
        }
      ],
      "id": "en-collateral_circulation-en-noun-fCy0GT5u",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "blood",
          "blood"
        ],
        [
          "vessel",
          "vessel"
        ],
        [
          "enlargement",
          "enlargement"
        ],
        [
          "anastomoses",
          "anastomosis"
        ],
        [
          "vein",
          "vein"
        ],
        [
          "artery",
          "artery"
        ],
        [
          "obstruction",
          "obstruction"
        ]
      ],
      "raw_glosses": [
        "(anatomy) The circulation of blood through a network of vessels that is developed through enlargement of secondary vessels and use of existing anastomoses between adjacent vessels when a major vein or artery is functionally impaired, as by obstruction."
      ],
      "related": [
        {
          "word": "collateral artery"
        },
        {
          "word": "collateral vein"
        },
        {
          "word": "collateral vessel"
        },
        {
          "word": "collateral ligament"
        },
        {
          "word": "collateral damage"
        },
        {
          "word": "arterial circulation"
        },
        {
          "word": "venous circulation"
        },
        {
          "word": "coronary circulation"
        },
        {
          "word": "pulmonary circulation"
        },
        {
          "word": "systemic circulation"
        },
        {
          "word": "circulatory system"
        },
        {
          "word": "cardiovascular system"
        },
        {
          "word": "lymphatic system"
        },
        {
          "word": "nervous system"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "circulation of blood through enlarged secondary vessels",
          "word": "Kollateralkreislauf"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kəˈlætəɹəl ˈsɝkjʊˌleɪʃən/"
    }
  ],
  "word": "collateral circulation"
}

{
  "forms": [
    {
      "form": "collateral circulations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "collateral circulation (countable and uncountable, plural collateral circulations)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "caput medusae"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "collateral artery"
    },
    {
      "word": "collateral vein"
    },
    {
      "word": "collateral vessel"
    },
    {
      "word": "collateral ligament"
    },
    {
      "word": "collateral damage"
    },
    {
      "word": "arterial circulation"
    },
    {
      "word": "venous circulation"
    },
    {
      "word": "coronary circulation"
    },
    {
      "word": "pulmonary circulation"
    },
    {
      "word": "systemic circulation"
    },
    {
      "word": "circulatory system"
    },
    {
      "word": "cardiovascular system"
    },
    {
      "word": "lymphatic system"
    },
    {
      "word": "nervous system"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with IPA pronunciation",
        "English uncountable nouns",
        "en:Anatomy"
      ],
      "glosses": [
        "The circulation of blood through a network of vessels that is developed through enlargement of secondary vessels and use of existing anastomoses between adjacent vessels when a major vein or artery is functionally impaired, as by obstruction."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "blood",
          "blood"
        ],
        [
          "vessel",
          "vessel"
        ],
        [
          "enlargement",
          "enlargement"
        ],
        [
          "anastomoses",
          "anastomosis"
        ],
        [
          "vein",
          "vein"
        ],
        [
          "artery",
          "artery"
        ],
        [
          "obstruction",
          "obstruction"
        ]
      ],
      "raw_glosses": [
        "(anatomy) The circulation of blood through a network of vessels that is developed through enlargement of secondary vessels and use of existing anastomoses between adjacent vessels when a major vein or artery is functionally impaired, as by obstruction."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kəˈlætəɹəl ˈsɝkjʊˌleɪʃən/"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "circulation of blood through enlarged secondary vessels",
      "word": "Kollateralkreislauf"
    }
  ],
  "word": "collateral circulation"
}