This is the cirro-stratus, and is a development of the cirrus, but it does not fly so high.
1 Cysts are noncancerous and have a sac-like structure that can be filled with fluid, pus, or other gaseous material. 2  Cysts are common and can occur anywhere on the body.  Cysts are often caused by infection, clogging of sebaceous glands or around earrings.
1 Causes of cysts / Diagnosis of cysts / Symptoms of cysts / Treatment of cysts. 2  Causes of cysts / Diagnosis of cysts / Symptoms of cysts / Treatment of cysts. 3  Causes of cysts / Symptoms of cysts / Treatment of cysts. 4  Causes of cysts / Symptoms of cysts / Treatment of cysts / Types of cysts.