{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://schema.humancellatlas.org/module/biomaterial/6.1.3/cell_morphology",
  "description": "Information relating to pathological and morphological features of cells.",
  "additionalProperties": false,
  "title": "Cell morphology",
  "name": "cell_morphology",
  "type": "object",
  "properties": {
    "describedBy": {
      "description": "The URL reference to the schema.",
      "type": "string",
      "pattern": "^(http|https)://schema.(.*?)humancellatlas.org/module/biomaterial/(([0-9]{1,}.[0-9]{1,}.[0-9]{1,})|([a-zA-Z]*?))/cell_morphology"
    },
    "schema_version": {
      "description": "The version number of the schema in major.minor.patch format.",
      "type": "string",
      "pattern": "^[0-9]{1,}.[0-9]{1,}.[0-9]{1,}$",
      "example": "4.6.1"
    },
    "cell_morphology": {
      "description": "General description of the morphology of cells.",
      "type": "string",
      "user_friendly": "Cell morphology",
      "example": "adherent cells, form single layer colonies"
    },
    "cell_size": {
      "description": "Size of cells in Cell size unit. Average value is acceptable.",
      "type": "string",
      "pattern": "^[0-9]+\\.?[0-9]*-?[0-9]*\\.?[0-9]*$",
      "example": "20-30",
      "user_friendly": "Cell size"
    },
    "cell_size_unit": {
      "description": "The unit in which the Cell size is expressed.",
      "type": "object",
      "$ref": "https://schema.humancellatlas.org/module/ontology/5.3.2/length_unit_ontology",
      "example": "micrometer",
      "user_friendly": "Cell size unit"
    },
    "percent_cell_viability": {
      "description": "Percent of cells determined to be viable. Average value is acceptable.",
      "type": "number",
      "example": 98.7,
      "user_friendly": "Percent cell viability"
    },
    "cell_viability_method": {
      "description": "The method by which cell viability was determined.",
      "type": "string",
      "example": "Fluorescein diacetate hydrolysis assay",
      "user_friendly": "Cell viability method"
    },
    "cell_viability_result": {
      "description": "Result of the cell viability test.",
      "type": "string",
      "enum": [
        "pass",
        "fail"
      ],
      "example": "Must be one of: pass, fail",
      "user_friendly": "Cell viability pass/fail result"
    },
    "percent_necrosis": {
      "description": "Percent of cells identified to be necrotic.",
      "type": "number",
      "example": 10,
      "user_friendly": "Percent necrotic cells"
    }
  }
}