Source: Schema.org v30.1 vocabulary. Official structuralClass property definition.
What does structuralClass mean?
The name given to how bone physically connects to each other.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status