Sever's disease or calcaneal apophysitis is usually considered to be due to damage or a disturbance in this area of growth. The two growth areas of the calcaneus can be seen on this x-ray. The smaller area to the back of the heel is normal.hat are the long term consequences of heel pain in the child (Severs disease or Calcaneal apophysitis): This condition is self limiting-it will go away when the two parts of bony growth join together-this is natural.
So, a virus must have a host cell (bacteria, plant or animal) in which to live and make more viruses. Outside of a host cell, viruses cannot function. For this reason, viruses tread the fine line that separates living things from nonliving things.
1 Temperature -- Bacteria in general are capable of growing over a wide range of temperatures and are usually classified according to the temperature at which they grow. 2  Psychrotrophic bacteria are those that are capable of growing at 32Â°F - 45Â°F but their optimum is from 68Â°F to 86Â°F. However, many bacteria grow under either condition and they are facultative anaerobes. 2  Temperature -- Bacteria in general are capable of growing over a wide range of temperatures and are usually classified according to the temperature at which they grow.