ICHD classification and diagnosis of migraine are further subdivided. Overall ICHD-3 beta distinguishes 29 migraine subtypes. The following table outlines the main subtypes and their ICHD-1, -2, -3 beta and ICD-10 codes. Migraine without aura also referred to as a "common migraine", (previously known as "hemicrania simplex") is a specific neurological disorder characterized by recurrent, throbbing headaches that often affect one side of the head (i.e., it is unilateral), are of at least moderate intensity, and may cause nausea, phonophobia or photophobia. One defining characteristic of the common migraine is a lack of the visual disturbances known as an aura. The exact International Classification of Headache
Common sunstar relatively short arms which usually number eight to fourteen. Its radius can be up to 15 CM (6 Inches). The madreporite plate stands out clearly. The common sunstar is an omnivore. It will eat almost anything including smaller starfish and sunstars, swallowing them whole. It is also a scavenger. Common sunstar The common sunstar or Crossaster papposus is a species of sea star belonging to the family Solasteridae. It is found in the northern parts of both the Atlantic and the Pacific Oceans. The common sunstar is distributed from the Arctic down to the English Channel, in the North Sea,