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.
Poison dart frogs are sometimes called poison arrow frogs or dart poison frogs or poison frogs. All of these names refer to the fact that these frogs secrete poisons.The poison from poison dart frogs is used by Central and South American Indians on the darts they use for killing animals.he poison from the poison dart frogs contain toxins that dull the nerves and can produce heart and respiratory failure. The poison that some species secrete is the most powerful animal poison known. As little as 2 micrograms of the poison can kill an adult human. Each frog contains nearly 200 micrograms.