Bacterial infections of the spine are rare but can include infection of: 1  The discs (discitis). 2  The spinal cord (usually an infection of the tissue covering the spinal cord, called an epidural abscess). 3  One or more vertebrae (osteomyelitis).
This important year (550) is what we consider to be the beginning of âthe Early Middle Agesâ and lasted until 1000. When you think about it, the Middle Ages were a very, very long period of time, and so itâs easier to break up these periods of time into the Early, High, and Late Middle Ages. But for now, letâs focus on what was happening during the Early Middle Ages.
Characteristics of the Feudal World. Timeline. The Middle Ages or medieval time is believed to have started with the fall of the Roman Empire in 476 and to have lasted about 1,000 years until about 1450.The beginning of the Middle Ages is called the Dark Ages because the great civilizations of Rome and Greece had been conquered.haracteristics of the Feudal World. Timeline. The Middle Ages or medieval time is believed to have started with the fall of the Roman Empire in 476 and to have lasted about 1,000 years until about 1450.