has part has part has_part characteristic of part of has modifier abnormal joint morphology abnormal cartilaginous joint morphology 2018-10-17T11:32:38Z any structural anomaly of any joint that lacks a joint cavity and involves bones that are joined together by either hyaline cartilage or fibrocartilage; there are two main types: synchondroses (or primary cartilaginous joints) where the bones are united by hyaline cartilage, and symphyses (or secondary cartilaginous joints) where the bones are united by a layer of fibrocartilage MPheno.ontology MP:0030875 morphology abnormal cartilaginous joint