"longitudinal fissure" meaning in English

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      "form": "longitudinal fissures",
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        "plural"
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      "expansion": "longitudinal fissure (plural longitudinal fissures)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
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          "langcode": "en",
          "name": "Neuroanatomy",
          "orig": "en:Neuroanatomy",
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            "Neurology",
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      "glosses": [
        "A fissure in the cerebral cortex of primates; it separates the two hemispheres"
      ],
      "id": "en-longitudinal_fissure-en-noun-uF1GEKg1",
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        [
          "neuroanatomy",
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        [
          "fissure",
          "fissure"
        ],
        [
          "cerebral cortex",
          "cerebral cortex"
        ],
        [
          "primate",
          "primate"
        ]
      ],
      "raw_glosses": [
        "(neuroanatomy) A fissure in the cerebral cortex of primates; it separates the two hemispheres"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "neuroanatomy",
        "neurology",
        "neuroscience",
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      ],
      "wikipedia": [
        "longitudinal fissure"
      ]
    }
  ],
  "word": "longitudinal fissure"
}

{
  "forms": [
    {
      "form": "longitudinal fissures",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "longitudinal fissure (plural longitudinal fissures)",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A fissure in the cerebral cortex of primates; it separates the two hemispheres"
      ],
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        [
          "neuroanatomy",
          "neuroanatomy"
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        [
          "fissure",
          "fissure"
        ],
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          "cerebral cortex"
        ],
        [
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          "primate"
        ]
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      "raw_glosses": [
        "(neuroanatomy) A fissure in the cerebral cortex of primates; it separates the two hemispheres"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "neuroanatomy",
        "neurology",
        "neuroscience",
        "sciences"
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      ]
    }
  ],
  "word": "longitudinal fissure"
}