"médulla" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Dates manquantes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Date à préciser) Du latin medulla."
  ],
  "forms": [
    {
      "form": "médullas",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "médullaire"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en français de la médecine",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              58,
              65
            ]
          ],
          "ref": "André Giordan, Le rein a bon dos, 2017",
          "text": "Lorsque le sang circule dans la partie ascendante vers la médulla, les ions et l’urée diffusent vers lui, augmentant sa concentration."
        }
      ],
      "glosses": [
        "Partie centrale d’un organe."
      ],
      "id": "fr-médulla-fr-noun-YUMA5UxS",
      "topics": [
        "medicine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\me.dy.la\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "médulla"
}

{
  "categories": [
    "Dates manquantes en français",
    "Lemmes en français",
    "Noms communs en français",
    "français"
  ],
  "etymology_texts": [
    "(Date à préciser) Du latin medulla."
  ],
  "forms": [
    {
      "form": "médullas",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Nom commun",
  "related": [
    {
      "word": "médullaire"
    }
  ],
  "senses": [
    {
      "categories": [
        "Exemples en français",
        "Lexique en français de la médecine"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              58,
              65
            ]
          ],
          "ref": "André Giordan, Le rein a bon dos, 2017",
          "text": "Lorsque le sang circule dans la partie ascendante vers la médulla, les ions et l’urée diffusent vers lui, augmentant sa concentration."
        }
      ],
      "glosses": [
        "Partie centrale d’un organe."
      ],
      "topics": [
        "medicine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\me.dy.la\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "médulla"
}