abnormal cartilage morphology abnormal craniofacial development abnormal Reichert's cartilage morphology MP:0004915 MPheno.ontology abnormal Reichert cartilage morphology abnormal Reicherts cartilage morphology abnormal hyoid cartilage morphology abnormal second pharyngeal arch cartilage morphology any structural anomaly of the cartilage found in the mesenchyme of the second pharyngeal arch in the embryo from which develop the stapes, styloid process, lesser horn and upper part of the body of the hyoid bone; its proximal end gives rise to the stylohyoid ligament