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The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1]
A headache, also known as cephalalgia, is the symptom of pain in the face, head, or neck.It can occur as a migraine, tension-type headache, or cluster headache. [1] [2] There is an increased risk of depression in those with severe headaches.
Migraine (UK: / ˈ m iː ɡ r eɪ n /, US: / ˈ m aɪ-/) [1] [2] is a genetically-influenced complex neurological disorder characterized by episodes of moderate-to-severe headache, most often unilateral and generally associated with nausea and light and sound sensitivity.
The blood–brain barrier (BBB) is a highly selective semipermeable border of endothelial cells that regulates the transfer of solutes and chemicals between the circulatory system and the central nervous system, thus protecting the brain from harmful or unwanted substances in the blood. [1]
Chest pain is pain or discomfort in the chest, typically the front of the chest. [1] It may be described as sharp, dull, pressure, heaviness or squeezing. [3] Associated symptoms may include pain in the shoulder, arm, upper abdomen, or jaw, along with nausea, sweating, or shortness of breath.
Detail of the Old English manuscript of the poem Beowulf, showing the words ofer hron rade (' over the whale's road '), meaning ' over the sea '.. A kenning (Icelandic: [cʰɛnːiŋk]) is a figure of speech, a figuratively-phrased compound term that is used in place of a simple single-word noun.
Li Kening (Chinese: 李克寧) (died March 25, 908 [1] [2]) was a younger brother of the late Chinese Tang dynasty warlord Li Keyong, the Prince of Jin.After Li Keyong's death, Li Kening initially served as a key advisor to Li Keyong's son and successor Li Cunxu (the future Emperor Zhuangzong of Later Tang), but soon was persuaded by his wife Lady Meng to try to take over from Li Cunxu.
Franz König. König's syndrome (synonym ileocaecal valve syndrome) is a syndrome of abdominal pain in relation to meals, constipation alternated with diarrhea, meteorism, gurgling sounds (hyper-peristalsis) on auscultation (especially in the right iliac fossa), and abdominal distension.