Periostitis blade of a horned dinosaur. 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
Siri (given name) Siri (given name) Siri is a Scandinavian female given name. It is a short form of Sigrid, of Old Norse origin, and literally meaning "beautiful victory", from Old Norse "sigr" (victory) and Old Norse "fríðr" (beautiful). The name Siri has been widely used since the Middle Ages, and is a common name in Norway, Sweden and the Faroe Islands. It was common in Norway until the 18th century, when its usage declined, but saw new high popularity in the 20th century. In Sweden the name gained new popularity around 1900, and has again become increasingly popular in the last years.