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Cervicogenic headache is a type of headache characterized by chronic hemicranial pain referred to the head from either the cervical spine or soft tissues within the neck. [1] [2] The main symptoms of cervicogenic headaches include pain originating in the neck that can travel to the head or face, headaches that get worse with neck movement, and limited ability to move the neck.
The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas).The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine.
Dinocephalians were generally large. The biggest herbivores (Tapinocephalus) and omnivores (Titanosuchus) may have weighed up to 2 tonnes (4,400 lb), and were some 4.5 metres (15 ft) long, while the largest carnivores (such as Titanophoneus and Anteosaurus) were at least as long, with heavy skulls 80 centimetres (31 in) long, and overall masses of around a half-tonne.
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.