81016008 Optic disc structure

{
    "conceptId": "81016008",
    "fsn": {
        "term": "Optic disc structure (body structure)",
        "lang": "en"
    },
    "active": true,
    "effectiveTime": "20220731",
    "definitionStatus": "PRIMITIVE",
    "descriptions": [
        {
            "active": true,
            "term": "Optic disc structure (body structure)",
            "typeId": "900000000000003001",
            "acceptabilityMap": {
                "900000000000508004": "Preferred (foundation metadata concept)",
                "900000000000509007": "Preferred (foundation metadata concept)"
            }
        }
    ],
    "relationships": [
        {
            "active": true,
            "typeId": "116680003",
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                    "term": "Is a (attribute)"
                }
            },
            "target": {
                "conceptId": "18234004",
                "active": true,
                "definitionStatus": "PRIMITIVE",
                "fsn": {
                    "term": "Optic nerve structure (body structure)"
                }
            },
            "groupId": 0
        },
        {
            "active": true,
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                "conceptId": "116680003",
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            },
            "target": {
                "conceptId": "5665001",
                "active": true,
                "definitionStatus": "PRIMITIVE",
                "fsn": {
                    "term": "Retinal structure (body structure)"
                }
            },
            "groupId": 0
        }
    ]
}