Mesenchyme that develops_from a neural crest and is part of a 4th arch mesenchyme. [ OBOL:automatic ]

Synonyms: 4th pharyngeal arch mesenchyme derived from neural crest pharyngeal arch 4 mesenchyme from neural crest mesenchyme derived from neural crest of mesenchyme of 4th arch neural crest derived arch 4 mesenchyme

This is just here as a test because I lose it