composed primarily of sesamoid bone http://upload.wikimedia.org/wikipedia/commons/b/b3/Gray350.png UMLS:C0036846 MA:0001375 MESH:D012716 UBERON:0001479 EMAPA:36620 GAID:210 sesamoid EHDAA2:0003086 NCIT:C33541 FMA:32672 galen:SessamoidBone SCTID:362914002 AEO:0000086 ossa sesamoidea A sesamoid element that is composed of bone tissue. Wikipedia:Sesamoid_bone Sesamoids are often endochondral replacement elements and in addition to bone tissue, may also be composed of articular cartilage, fibrocartilage, hyaline cartilage, and calcified cartilage.[VSAO] bone tissue short bone sesamoid element