13-Letter Words Containing: OSA

• A fibroblastic sarcoma: a malignant tumor derived from fibrous connective tissue

• An amino derivative of the sugar galactose; found in glycolipids and in mucopolysaccharides

• not possible to diagnose

• malignant bone tumor; most common in children and young adults where it tends to affect the femur

• large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America

• A large sauropod dinosaur of the genus Apatosaurus of the late Jurassic Period. Apatosaurs had a long neck and tail and a relatively small head.