Metapopulations in the Context of Patch Dynamics. A metapopulation is a population of populations (Levins 1969,1970); in which distinct subpopulations (local populations) occupy spatially separated patches of habitat.
Osteoporosis is a disease where decreased bone strength increases the risk of a broken bone. It is the most common reason for a broken bone among people who are old.Bones that commonly break include the back bones, the bones of the forearm, and the hip.Until a broken bone occurs there are typically no symptoms.steoporosis is a disease where decreased bone strength increases the risk of a broken bone. It is the most common reason for a broken bone among people who are old.
Definition. the surgical repair of a bone or bones (oste/o means bone, and-plasty means surgical repair). Term. osteoporotic hip fracture (oss-tee-oh-pah-ROT-ick). Definition. usually caused by weakening of the bones due to osteoporosis and can occur either spontaneously or as the result of a fall.