"発生生物学" meaning in Japanese

{
  "forms": [
    {
      "form": "発生生物学",
      "ruby": [
        [
          "発",
          "はっ"
        ],
        [
          "生",
          "せい"
        ],
        [
          "生",
          "せい"
        ],
        [
          "物",
          "ぶつ"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hassei seibutsugaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "fatuseiseibutugaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "はつせいせいぶつがく",
      "roman": "fatuseiseibutugaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "はっせい せいぶつがく",
        "hhira": "はつせいせいぶつがく"
      },
      "expansion": "発(はっ)生(せい)生(せい)物(ぶつ)学(がく) • (hassei seibutsugaku) ^(←はつせいせいぶつがく (fatuseiseibutugaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 5 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Developmental biology",
          "orig": "ja:Developmental biology",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "developmental biology"
      ],
      "id": "en-発生生物学-ja-noun-WbhavaLz",
      "links": [
        [
          "developmental biology",
          "developmental biology"
        ]
      ],
      "wikipedia": [
        "ja:発生生物学"
      ]
    }
  ],
  "sounds": [
    {
      "other": "はっせーせーぶつがく"
    },
    {
      "ipa": "[ha̠sːe̞ː se̞ːbɯ̟t͡sɨɡa̠kɯ̟]"
    }
  ],
  "word": "発生生物学"
}

{
  "forms": [
    {
      "form": "発生生物学",
      "ruby": [
        [
          "発",
          "はっ"
        ],
        [
          "生",
          "せい"
        ],
        [
          "生",
          "せい"
        ],
        [
          "物",
          "ぶつ"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hassei seibutsugaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "fatuseiseibutugaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "はつせいせいぶつがく",
      "roman": "fatuseiseibutugaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "はっせい せいぶつがく",
        "hhira": "はつせいせいぶつがく"
      },
      "expansion": "発(はっ)生(せい)生(せい)物(ぶつ)学(がく) • (hassei seibutsugaku) ^(←はつせいせいぶつがく (fatuseiseibutugaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 5 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Developmental biology"
      ],
      "glosses": [
        "developmental biology"
      ],
      "links": [
        [
          "developmental biology",
          "developmental biology"
        ]
      ],
      "wikipedia": [
        "ja:発生生物学"
      ]
    }
  ],
  "sounds": [
    {
      "other": "はっせーせーぶつがく"
    },
    {
      "ipa": "[ha̠sːe̞ː se̞ːbɯ̟t͡sɨɡa̠kɯ̟]"
    }
  ],
  "word": "発生生物学"
}

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  "msg": "HTML tag <span> not properly closed",
  "path": [
    "発生生物学"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "発生生物学",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "発生生物学"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "発生生物学",
  "trace": ""
}