What Is Echocardiography? Echocardiography (EK-o-kar-de-OG-rah-fee), or echo, is a painless test that uses sound waves to create moving pictures of your heart. The pictures show the size and shape of your heart. They also show how well your heart's chambers and valves are working.
Taxonomy/Description. The Giant Otter's scientific name is Pteronura brasiliensis, which means winged tail belonging to Brazil, although this otter species is not limited to Brazil. Winged refers to the fin-like shape of the giant otter's tail. The giant otter is a member of the weasel family, Mustelidae, in the Mammalian Order of Carnivora.
They were the victims of a vicious racist attack. These otters are particularly vicious beasties, with very sharp teeth. He was set upon by a vicious dog. The insurance business suffered from a vicious cycle of boom and bust. He was subjected to the most vicious calumny, but he never complained and never sued. Thesaurus: synonyms and related words