Published in Nature by researchers at the Keck School of Medicine of USC, the study connects the elastic cartilage in mammalian ears to the same rare tissue found in fish gills. To explore this link, ...

The tumor was the “size of a man's fist” and was composed of connective tissue, cartilage, bone, smooth muscle tissue, cysts, pearls, and epithelium. In 1911 Sheather (2) reported the occurrence of ...