Bone metastasis may be the first sign that you have cancer, or bone metastasis may occur years after cancer treatment. Bone metastasis can cause pain and broken bones. With rare exceptions, cancer that has spread to the bones can't be cured. Treatments can help reduce pain and other symptoms of bone metastases.
Medical Definition of Chondrichthyes. : a class comprising cartilaginous fishes with well-developed jaws and including the sharks, skates, rays, chimeras, and extinct related formsâcompare cyclostomata.
A crocodilian is any one of 23 species of large, carnivorous, semi-aquatic reptiles that live primarily in tropical and semi-tropical environments. Although the taxonomy varies, there are three families of crocodilians: alligatoridae (alligators and caimans), crocodylidae (true crocodiles) and gavialidae (gharial).