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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.
The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1]
Book of Optics (c. 1000) - Exerted great influence on Western science. [16] It was translated into Latin and it was used until the early 17th century. [ 17 ] The German physician Hermann von Helmholtz reproduced several theories of visual perception that were found in the first Book of Optics , which he cited and copied from.
Gray's Anatomy is a reference book of human anatomy written by Henry Gray, illustrated by Henry Vandyke Carter and first published in London in 1858. It has had multiple revised editions, and the current edition, the 42nd (October 2020), remains a standard reference, often considered "the doctors' bible ".
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.
Cecil Textbook of Medicine (sometimes called Cecil Medicine or Goldman-Cecil Medicine) is a medical textbook published by Elsevier under the Saunders imprint. [1]It was first published in 1927 as the Textbook of Medicine, by Russell LaFayette Cecil.
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]
Ibn Hajar al-Asqalani in his book Nukat asserts the number of narrations is the same in each version. There are many books that noted differences between the different versions, the best known being Fath al-Bari. The version transmitted by Muhammad ibn Yusuf al-Firabri (died 932), a trusted student of Bukhari, is the most famous version of the ...