Periostitis Periostitis Periostitis, also known as periostalgia, is a medical condition caused by inflammation of the periosteum, a layer of connective tissue that surrounds bone. The condition is generally chronic, and is marked by tenderness and swelling of the bone and pain. Acute periostitis is due to infection, is characterized by diffuse formation of pus, severe pain, constitutional symptoms, and usually results in necrosis. It can be caused by excessive physical activity as well, as in the case of medial tibial stress syndrome (also referred to as tibial periostalgia, soleus periostalgia, or shin splints). Congenital infection with syphilis can also cause
Jack (given name) popular name for baby boys in Ireland. In 2008, 2009, 2010, and 2013, Jack was the most common name given to boys in Australia. According to the United States Census of 1990, "Jack" is an uncommon American name, the given name for 0.315% of the male population and 0.001% of the female population. However, the frequency of Jack as a baby name has steadily increased from the 160–170 rank prior to 1991 to a rank of 35 in 2006. Jock is a common diminutive of the name John in Scotland, where Jack is rarely used in this context. The occurrence