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Cranial Drill
A cranial drill, also known as a craniotome, is a tool for drilling simple burr holes (trepanation) or for creating larger openings in the skull. This exposes the brain and allows operations like craniotomy and craniectomy to be done. The drill itself can be ''manually'' or ''electrically'' driven, and primarily consists of a hand piece and a drill bit which is a sharp tool that has the form similar to Archimedes' screw, this instrument must be inserted into the drill chuck to perform holes and remove materials. The trepanation tool is generally equipped with a clutch which automatically disengages once it touches a softer tissue, thus preventing tears in the dura mater. For larger openings, the craniotome is an instrument that has replaced manually pulled saw wires in craniotomies from the 1980s. History Cranial drill The oldest evidence of a hole being applied on a human's brain with a drill dates from c. 4,000 B.C. The oldest cranial drilling instrument was found in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surgery
Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function, appearance, or to repair unwanted ruptured areas. The act of performing surgery may be called a surgical procedure, operation, or simply "surgery". In this context, the verb "operate" means to perform surgery. The adjective surgical means pertaining to surgery; e.g. surgical instruments or surgical nurse. The person or subject on which the surgery is performed can be a person or an animal. A surgeon is a person who practices surgery and a surgeon's assistant is a person who practices surgical assistance. A surgical team is made up of the surgeon, the surgeon's assistant, an anaesthetist, a circulating nurse and a surgical technologist. Surgery usually ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trepanation In Mesoamerica
Trephination in Mesoamerica has been practised by a number of pre-Columbian cultures in the Mesoamerican region, dating from at least the Mesoamerican chronology, mid-Preclassic era (ca. 1500 Common Era, BCE), and continuing up to the late Postclassic, or ca. 1200 CE. Trephination involves an intentional and planned operation to open or bore into the human skull, skull on a live subject, using Trephine, tools specifically designed for the purpose. This can be accomplished by several techniques, such as drilling, incising and abrasion, or some combination of these. The purpose of such operations ranges from the medicinal (intended to relieve pressure, or address a number of other ailments) to the ritualised and experimental. In pre-Columbian Mesoamerica, evidence for the practice of trephination and an assortment of other cranial deformation techniques comes from a variety of sources, including physical cranial remains of pre-Columbian burials, allusions in iconographic artworks an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pre-Columbian Era
In the history of the Americas, the pre-Columbian era spans from the original settlement of North and South America in the Upper Paleolithic period through European colonization, which began with Christopher Columbus's voyage of 1492. Usually, the era covers the history of Indigenous cultures until significant influence by Europeans. This may have occurred decades or even centuries after Columbus for certain cultures. Many pre-Columbian civilizations were marked by permanent settlements, cities, agriculture, civic and monumental architecture, major earthworks, and complex societal hierarchies. Some of these civilizations had long faded by the time of the first permanent European colonies (c. late 16th–early 17th centuries), and are known only through archaeological investigations and oral history. Other civilizations were contemporary with the colonial period and were described in European historical accounts of the time. A few, such as the Maya civilization, had their own ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hieronymus Bosch 053 Detail
Hieronymus, in English pronounced or , is the Latin form of the Ancient Greek name (Hierṓnymos), meaning "with a sacred name". It corresponds to the English given name Jerome. Variants * Albanian: Jeronimi * Arabic: جيروم (Jerome) * Basque: Jeronimo * Belarusian: Еранім (Yeranim) * Bulgarian: Йероним (Yeronim) * Catalan: Jeroni * Written Chinese: 希罗尼穆斯 ** Chinese Pinyin: xī luó ní mù sī * Croatian: Jeronim * Czech: Jeroným, Jeronýmus (archaic) * Danish: Hieronymus * Dutch: Hiëronymus, Jeroen * English: Jerome, Hieronymus, Geromy, Rhonemus * Esperanto: Hieronimo * Estonian: Hieronymus * Finnish: Hieronymus * Flemish: Jerom * French: Jérôme, Gérôme * Galician Xerome * German: Hieronymus * Ancient Greek : (Hierṓnymos) * Modern Greek: Ιερώνυμος (Ierónymos) * Hebrew: הירונימוס (Hieronymus) * Hungarian: Jeromos * Indonesian: Hieronimus * Interlingua: Jeronimo * Italian: Girolamo, Gerolamo, Geronimo, Geromino ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pieter Huys
Pieter Huys (c.1519 – c.1584) was a Flemish Renaissance painter. He is known of his early life, and though he was mostly active in Antwerp, his place of birth and death is not certain. He became a master in the Antwerp Guild of St. Luke in 1545, and his last dated work is from 1577. He is known as a follower of Jheronimus Bosch.Pieter Huys in the RKD
The Netherlands Institute for Art History or RKD (Dutch: RKD-Nederlands Instituut voor Kunstgeschiedenis), previously Rijksbureau voor Kunsthistorische Documentatie (RKD), is located in The Hague and is home to the largest art history center i ...
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Hieronymus Bosch
Hieronymus Bosch (, ; born Jheronimus van Aken ; – 9 August 1516) was a Dutch/ Netherlandish painter from Brabant. He is one of the most notable representatives of the Early Netherlandish painting school. His work, generally oil on oak wood, mainly contains fantastic illustrations of religious concepts and narratives. Within his lifetime his work was collected in the Netherlands, Austria, and Spain, and widely copied, especially his macabre and nightmarish depictions of hell. Little is known of Bosch's life, though there are some records. He spent most of it in the town of 's-Hertogenbosch, where he was born in his grandfather's house. The roots of his forefathers are in Nijmegen and Aachen (which is visible in his surname: Van Aken). His pessimistic fantastical style cast a wide influence on northern art of the 16th century, with Pieter Bruegel the Elder being his best-known follower. Today, Bosch is seen as a hugely individualistic painter with deep insight int ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stone Of Madness
The stone of madness, also called stone of folly, was a hypothetical stone in a patient's head, thought to be the cause of madness, idiocy or dementia. From the 15th century onwards, removing the stone by trepanation was proposed as a remedy. This procedure is demonstrated in the painting '' The Extraction of the Stone of Madness'' by Hieronymus Bosch. Gallery File:Quentin Massys 030.jpg, Quentin Massys, ''An Allegory of Folly'' (early 16th century). The fool has a "stone of folly" in his forehead. File:Pieter Huys A surgeon extracting the stone of folly.jpg, Pieter Huys, ''A surgeon extracting the stone of folly'' File:Hemessen-cirujano-prado.jpg, Jan Sanders van Hemessen Jan Sanders van Hemessen (c. 1500 – c. 1566) was a leading Flemish Renaissance painter, belonging to the group of Italianizing Flemish painters called the Romanists, who were influenced by Italian Renaissance painting. Van Hemessen had vi ..., 1550s File:Het_snijden_van_de_kei._Rijksmuseum_SK-A-1601. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hippocratic Corpus
The Hippocratic Corpus (Latin: ''Corpus Hippocraticum''), or Hippocratic Collection, is a collection of around 60 early Ancient Greek medical works strongly associated with the physician Hippocrates and his teachings. The Hippocratic Corpus covers many diverse aspects of medicine, from Hippocrates' medical theories to what he devised to be ethical means of medical practice, to addressing various illnesses. Even though it is considered a singular corpus that represents Hippocratic medicine, they vary (sometimes significantly) in content, age, style, methods, and views practiced; therefore, authorship is largely unknown. Hippocrates began Western society's development of medicine, through a delicate blending of the art of healing and scientific observations. What Hippocrates was sharing from within his collection of works was not only how to identify symptoms of disease and proper diagnostic practices, but more essentially, he was alluding to his personable form of art, "The art of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Far East
The ''Far East'' was a European term to refer to the geographical regions that includes East and Southeast Asia as well as the Russian Far East to a lesser extent. South Asia is sometimes also included for economic and cultural reasons. The term first came into use in European geopolitical discourse in the 15th century, particularly the British, denoting the Far East as the "farthest" of the three "Easts", beyond the Near East and the Middle East. Likewise, during the Qing dynasty of the 19th and early 20th centuries, the term " Tàixī ()" – i.e., anything further west than the Arab world – was used to refer to the Western countries. Since the mid-20th century, the term has mostly gone out of use for the region in international mass media outlets due to its eurocentric connotations.Reischauer, Edwin and John K Fairbank, ''East Asia: The Great Tradition,'' 1960. The Russian Far East is often excluded due to cultural and ethnic differences, and is often considered as part o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polynesia
Polynesia () "many" and νῆσος () "island"), to, Polinisia; mi, Porinihia; haw, Polenekia; fj, Polinisia; sm, Polenisia; rar, Porinetia; ty, Pōrīnetia; tvl, Polenisia; tkl, Polenihia (, ) is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean. The indigenous people who inhabit the islands of Polynesia are called Polynesians. They have many things in common, including language relatedness, cultural practices, and traditional beliefs. In centuries past, they had a strong shared tradition of sailing and using stars to navigate at night. The largest country in Polynesia is New Zealand. The term was first used in 1756 by the French writer Charles de Brosses, who originally applied it to all the islands of the Pacific. In 1831, Jules Dumont d'Urville proposed a narrower definition during a lecture at the Geographical Society of Paris. By tradition, the islands located in the southern Pacific have ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area.Sayre, April Pulley (1999), ''Africa'', Twenty-First Century Books. . With billion people as of , it accounts for about of the world's human population. Africa's population is the youngest amongst all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Despite a wide range of natural resources, Africa is the least wealthy continent per capita and second-least wealthy by total wealth, behind Oceania. Scholars have attributed this to different factors including geography, climate, tribalism, colonialism, the Cold War, neocolonialism, lack of democracy, and corruption. Despite this low concentration of wealth, recent economic expansion and the large and young population make Afric ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southern subregion of a single continent called America. South America is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie to the northwest. The continent generally includes twelve sovereign states: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, and Venezuela; two dependent territories: the Falkland Islands and South Georgia and the South Sandwich Islands; and one internal territory: French Guiana. In addition, the ABC islands of the Kingdom of the Netherlands, Ascension Island (dependency of Saint Helena, Ascension and Tristan da Cunha, a British Overseas Territory), Bouvet Island ( dependency ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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