"発生学" meaning in Japanese

{
  "forms": [
    {
      "form": "発生学",
      "ruby": [
        [
          "発",
          "はっ"
        ],
        [
          "生",
          "せい"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hasseigaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "はっせいがく"
      },
      "expansion": "発(はっ)生(せい)学(がく) • (hasseigaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "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": "ja",
          "name": "Developmental biology",
          "orig": "ja:Developmental biology",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Embryology",
          "orig": "ja:Embryology",
          "parents": [
            "Biology",
            "Developmental biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "All topics",
            "Health",
            "Fundamental",
            "Body"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Sciences",
          "orig": "ja:Sciences",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "embryology (of any species)"
      ],
      "id": "en-発生学-ja-noun-10Kpoa-~",
      "links": [
        [
          "embryology",
          "embryology"
        ]
      ],
      "related": [
        {
          "english": "of humans",
          "roman": "taiseigaku",
          "ruby": [
            [
              "胎生学",
              "たいせいがく"
            ]
          ],
          "word": "胎生学: embryology"
        }
      ]
    }
  ],
  "word": "発生学"
}

{
  "forms": [
    {
      "form": "発生学",
      "ruby": [
        [
          "発",
          "はっ"
        ],
        [
          "生",
          "せい"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "hasseigaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "はっせいがく"
      },
      "expansion": "発(はっ)生(せい)学(がく) • (hasseigaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "english": "of humans",
      "roman": "taiseigaku",
      "ruby": [
        [
          "胎生学",
          "たいせいがく"
        ]
      ],
      "word": "胎生学: embryology"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Developmental biology",
        "ja:Embryology",
        "ja:Sciences"
      ],
      "glosses": [
        "embryology (of any species)"
      ],
      "links": [
        [
          "embryology",
          "embryology"
        ]
      ]
    }
  ],
  "word": "発生学"
}

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