Trabecular is a cancellous and porous type of bone. It can be found at the ends of long bones like the femur, where the bone is actually not solid but is full of holes connected by thin rods and plates of bone tissue. Red bone marrow, where all the blood cells are made, fills the space between the trabecular pores.
Cyanide is one of the best known of all poisons. Perhaps best known as the suicide pills reputedly carried by secret agents it was also the active ingredient in the gas (Zyklon B) used by the Nazis in extermination camps such as Auschwitz.
With the exception of a few non-poisonous species, all other poison dart frogs also use alkaloid poisons. For example, Anthony's poison arrow frog lives in the forests of Peru and Ecuador. It is dark red or brown, with yellow stripes.It harbours two powerful alkaloids called epibatidine and phantasmidine. single golden poison frog harbours enough poison to kill 10 grown men, making these frogs perhaps the most poisonous animals alive. They are one of many species of toxic frogs, which are known as poison dart frogs. They are all small: the largest are no more than 6cm long, and some are just 1.5 cm.