in taxon develops in develops in Vertebrata <vertebrates> dense regular connective tissue ossicle sesamoid element sesamoid UBERON:0013631 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:0000137 Ossicle that develops within bands of dense, regular connective tissue (e.g., tendons and ligaments). Sesamoids are generally located proximate to a bony prominence, over which the dense regular connective tissue wraps, and/or a joint or articulation.