"melanopsin" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "melano",
        "3": "opsin"
      },
      "expansion": "melano- + opsin",
      "name": "prefix"
    }
  ],
  "etymology_text": "From melano- + opsin.",
  "forms": [
    {
      "form": "melanopsins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melanopsin (plural melanopsins)",
      "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": "English terms prefixed with melano-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
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          "source": "w"
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          "source": "w"
        },
        {
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Italian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Eye",
          "orig": "en:Eye",
          "parents": [
            "Face",
            "Vision",
            "Head and neck",
            "Senses",
            "Body parts",
            "Perception",
            "Body",
            "Anatomy",
            "All topics",
            "Biology",
            "Medicine",
            "Fundamental",
            "Sciences",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Proteins",
          "orig": "en:Proteins",
          "parents": [
            "Biomolecules",
            "Biochemistry",
            "Body parts",
            "Organic compounds",
            "Biology",
            "Chemistry",
            "Body",
            "Anatomy",
            "Matter",
            "Sciences",
            "All topics",
            "Medicine",
            "Nature",
            "Fundamental",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "melanopsin-containing retinal ganglion cell"
        }
      ],
      "glosses": [
        "A type of photopigment (an opsin) found in the retina; it is involved in the regulation of circadian rhythms"
      ],
      "id": "en-melanopsin-en-noun-Rcsk9fYu",
      "links": [
        [
          "photopigment",
          "photopigment"
        ],
        [
          "opsin",
          "opsin"
        ],
        [
          "retina",
          "retina"
        ],
        [
          "circadian rhythm",
          "circadian rhythm"
        ]
      ],
      "related": [
        {
          "word": "melanopic"
        }
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "mélanopsine"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "neuter"
          ],
          "word": "Melanopsin"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "melanopsíni",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "μελανοψίνη"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "melanopsina"
        }
      ],
      "wikipedia": [
        "melanopsin"
      ]
    }
  ],
  "word": "melanopsin"
}

{
  "derived": [
    {
      "word": "melanopsin-containing retinal ganglion cell"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "melano",
        "3": "opsin"
      },
      "expansion": "melano- + opsin",
      "name": "prefix"
    }
  ],
  "etymology_text": "From melano- + opsin.",
  "forms": [
    {
      "form": "melanopsins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melanopsin (plural melanopsins)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "melanopic"
    }
  ],
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        "Terms with French translations",
        "Terms with German translations",
        "Terms with Greek translations",
        "Terms with Italian translations",
        "Translation table header lacks gloss",
        "en:Eye",
        "en:Proteins"
      ],
      "glosses": [
        "A type of photopigment (an opsin) found in the retina; it is involved in the regulation of circadian rhythms"
      ],
      "links": [
        [
          "photopigment",
          "photopigment"
        ],
        [
          "opsin",
          "opsin"
        ],
        [
          "retina",
          "retina"
        ],
        [
          "circadian rhythm",
          "circadian rhythm"
        ]
      ],
      "wikipedia": [
        "melanopsin"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "mélanopsine"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "neuter"
      ],
      "word": "Melanopsin"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "melanopsíni",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "μελανοψίνη"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "melanopsina"
    }
  ],
  "word": "melanopsin"
}