"gestational sac" meaning in English

{
  "forms": [
    {
      "form": "gestational sacs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gestational sac (plural gestational sacs)",
      "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",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Healthcare",
            "Sciences",
            "Health",
            "All topics",
            "Body",
            "Fundamental"
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        }
      ],
      "glosses": [
        "The intrauterine structure around an embryo in the very early stage of a fetus that can be used to determine if an intrauterine pregnancy exists until the embryo is identified."
      ],
      "id": "en-gestational_sac-en-noun-DNPA7vd4",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "intrauterine",
          "intrauterine"
        ],
        [
          "embryo",
          "embryo"
        ],
        [
          "fetus",
          "fetus"
        ],
        [
          "intrauterine pregnancy",
          "intrauterine pregnancy"
        ]
      ],
      "raw_glosses": [
        "(medicine) The intrauterine structure around an embryo in the very early stage of a fetus that can be used to determine if an intrauterine pregnancy exists until the embryo is identified."
      ],
      "synonyms": [
        {
          "word": "gestation sac"
        }
      ],
      "topics": [
        "medicine",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "yùnnáng",
          "sense": "intrauterine structure",
          "word": "孕囊"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "intrauterine structure",
          "word": "sikiöpussi"
        }
      ],
      "wikipedia": [
        "gestational sac"
      ]
    }
  ],
  "word": "gestational sac"
}

{
  "forms": [
    {
      "form": "gestational sacs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "gestational sac (plural gestational sacs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "Pages with entries",
        "Terms with Finnish translations",
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        "en:Medicine"
      ],
      "glosses": [
        "The intrauterine structure around an embryo in the very early stage of a fetus that can be used to determine if an intrauterine pregnancy exists until the embryo is identified."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "intrauterine",
          "intrauterine"
        ],
        [
          "embryo",
          "embryo"
        ],
        [
          "fetus",
          "fetus"
        ],
        [
          "intrauterine pregnancy",
          "intrauterine pregnancy"
        ]
      ],
      "raw_glosses": [
        "(medicine) The intrauterine structure around an embryo in the very early stage of a fetus that can be used to determine if an intrauterine pregnancy exists until the embryo is identified."
      ],
      "topics": [
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "gestational sac"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "gestation sac"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "yùnnáng",
      "sense": "intrauterine structure",
      "word": "孕囊"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "intrauterine structure",
      "word": "sikiöpussi"
    }
  ],
  "word": "gestational sac"
}