Medical Definition of Migraine headache

1. The most common type of vascular headache involving (it is thought). Abnormal sensitivity of blood vessels (arteries) in the brain to various triggers resulting in rapid changes in the artery size due to spasm (constriction). Other arteries in the brain and scalp then open (dilate), and throbbing pain is perceived in the head. The tendency to migraine is inherited and appears to involve serotonin, a chemical in the brain involved in the transmission of nerve impulses that trigger the release of substances in the blood vessels that in turn cause the pain of the migraine. These nerve impulses cause the flashing lights and other sensory phenomena known as an aura that may accompany a migraine. Not all severe headaches are migraines and not all migraines are severe. (12 Dec 1998)

Lexicographical Neighbors of Migraine Headache

mightst
mighty
mighty
Mighty Mouse
mignon
mignonette
mignonette
mignonettes
mignonette family
mignonne
mignons
mignon lamp
migraine
migraine
migraines
migraine headache (current term)
migraine without headache
migrainous
migrainous neuralgia
migrant
migrants
migrant shrike
migrate
migrate
migrated
migrates
migrating
migrating abscess
migrating teeth
migration

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