Abnormal sternum morphology Rachitic rosary HP:0000897 SNOMEDCT_US:15214001 A row of beadlike prominences at the junction of a rib and its cartilage (i.e., enlarged costochondral joints), resembling a rosary. Note that rachitic rosary would have one bead per rib (a swelling at the costochondral junction), while beaded ribs in the context of multiple rib fractures have multiple beads (fractures) along the same rib. SNOMEDCT_US:249702007 Nutritional rickets (NR), secondary to vitamin D deficiency and/or dietary calcium deficiency, is characterized by a range of features including 1) hypocalcemic seizures and tetanic spasms; 2) life-threatening hypocalcemic cardiomyopathy; 3) bone pain and muscle weakness; 4) limb and pelvic deformities; 5) failure to thrive; 6) developmental delay; and 7) dental anomalies. Rickets can additionally be caused by genetic defects such as a defect in the vitamin D receptor gene. Abnormality of the costochondral junction