An external fixator acts as a stabilizing frame to hold the broken bones in proper position. In an external fixator, metal pins or screws are placed into the bone through small incisions into the skin and muscle.n external fixator acts as a stabilizing frame to hold the broken bones in proper position. In an external fixator, metal pins or screws are placed into the bone through small incisions into the skin and muscle.
Cockatoo Squid This transparent cockatoo squid (Leachia sp.), also known as a glass squid, lives in the depths of the ocean and has many adaptations to help it survive there. It retains ammonia solutions inside its body that give it a balloon-like shape and help it float.
These photophores are used to change the shape and the size of the squid to confuse the predators. They attract tiny fishes that become the food of these squids. They can be used to communicate with other firefly squids. Firefly squid are found in western Pacific Ocean spend their days at depths of about 1,200 feet (365 meters). During night they move up to the surface to search for food before returning the the darkness below.