has part has part has_part characteristic of part of has modifier abnormal fibrous joint morphology abnormal syndesmosis morphology 2018-10-17T13:03:59Z abnormal syndesmodial joint morphology abnormal syndesmotic joint morphology MPheno.ontology MP:0030879 any structural anomaly of any fibrous joint where the gap between two adjacent bones may be narrow, with the bones joined by ligaments, or the gap may be wide and filled in by a broad sheet of connective tissue called an interosseous membrane; syndemoses are slightly moveable (amphiarthrodial) morphology abnormal syndesmosis