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Sinodonty And Sundadonty
In anthropology, Sinodonty and Sundadonty are two patterns of features widely found in the dentitions of different populations in East Asia and Southeast Asia. These two patterns were identified by anthropologist Christy G. Turner II as being within the greater "Mongoloid dental complex". The combining forms ''Sino-'' and ''Sunda-'' refer to China and Sundaland, respectively, while refers to teeth. Proto-sundadonty hypothesis Tsunehiko Hanihara (1993) believed that the dental features of Aboriginal Australians have the characteristic of high frequencies of "''evolutionarily conservative characteristics,''" which he called the "proto-sundadont" pattern, as he believed that the dental pattern of Aboriginal Australians was ancestral to that of Southeast Asians.Hanihara, Tsunehiko. (1993). Craniofacial Features of Southeast Asians and Jomonese: A Reconsideration of Their Microevolution Since the Late Pleistocene. ''Anthropological Science, 101''(1). Page 26. Retrieved March 8, 20 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dentition
Dentition pertains to the development of teeth and their arrangement in the mouth. In particular, it is the characteristic arrangement, kind, and number of teeth in a given species at a given age. That is, the number, type, and morpho-physiology (that is, the relationship between the shape and form of the tooth in question and its inferred function) of the teeth of an animal. Animals whose teeth are all of the same type, such as most non-mammalian vertebrates, are said to have '' homodont'' dentition, whereas those whose teeth differ morphologically are said to have '' heterodont'' dentition. The dentition of animals with two successions of teeth (deciduous, permanent) is referred to as ''diphyodont'', while the dentition of animals with only one set of teeth throughout life is ''monophyodont''. The dentition of animals in which the teeth are continuously discarded and replaced throughout life is termed ''polyphyodont''. The dentition of animals in which the teeth are set in so ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Borneo
Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and east of Sumatra. The island is politically divided among three countries: Malaysia and Brunei in the north, and Indonesia to the south. Approximately 73% of the island is Indonesian territory. In the north, the East Malaysian states of Sabah and Sarawak make up about 26% of the island. The population in Borneo is 23,053,723 (2020 national censuses). Additionally, the Malaysian federal territory of Labuan is situated on a small island just off the coast of Borneo. The sovereign state of Brunei, located on the north coast, comprises about 1% of Borneo's land area. A little more than half of the island is in the Northern Hemisphere, including Brunei and the Malaysian portion, while the Indonesian portion spans the Northern and Southern hemisph ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Incisors
Incisors (from Latin ''incidere'', "to cut") are the front teeth present in most mammals. They are located in the premaxilla above and on the mandible below. Humans have a total of eight (two on each side, top and bottom). Opossums have 18, whereas armadillos have none. Structure Adult humans normally have eight incisors, two of each type. The types of incisor are: * maxillary central incisor (upper jaw, closest to the center of the lips) * maxillary lateral incisor (upper jaw, beside the maxillary central incisor) * mandibular central incisor (lower jaw, closest to the center of the lips) * mandibular lateral incisor (lower jaw, beside the mandibular central incisor) Children with a full set of deciduous teeth (primary teeth) also have eight incisors, named the same way as in permanent teeth. Young children may have from zero to eight incisors depending on the stage of their tooth eruption and tooth development. Typically, the mandibular central incisors erupt first, follo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teeth
A tooth ( : teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores and omnivores, also use teeth to help with capturing or wounding prey, tearing food, for defensive purposes, to intimidate other animals often including their own, or to carry prey or their young. The roots of teeth are covered by gums. Teeth are not made of bone, but rather of multiple tissues of varying density and hardness that originate from the embryonic germ layer, the ectoderm. The general structure of teeth is similar across the vertebrates, although there is considerable variation in their form and position. The teeth of mammals have deep roots, and this pattern is also found in some fish, and in crocodilians. In most teleost fish, however, the teeth are attached to the outer surface of the bone, while in lizards they are attached to the inner surface of the jaw by one side. In cartilaginous fish, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yayoi People
The were an ancient ethnicity that migrated to the Japanese archipelago from Korea and China during the Yayoi period (300 BCE–300 CE). Although highly controversial, a single study that utilized radiometric dating techniques inconclusively suggested a period that began between 1000 and 800 BCE. They interacted, intermarried, and warred with the established Jōmon people to form the modern Japanese people. Modern Japanese people have primarily Yayoi ancestry (about 90% on average, with their remaining ancestry deriving from the Jōmon). Origin The terms Yayoi and Wajin can be used interchangeably, though "Wajin" (倭人) refers to the people of Wa and "Wajin" (和人) is another name for the modern Yamato people.David Blake Willis & Stephen Murphy-Shigematsu''Transcultural Japan: At the Borderlands of Race, Gender and Identity,'', p. 272: ‘“Wajin,” which is written with Chinese characters that can also be read “Yamato no hito” (Yamato person)’. There are seve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indigenous Peoples Of The Americas
The Indigenous peoples of the Americas are the inhabitants of the Americas before the arrival of the European settlers in the 15th century, and the ethnic groups who now identify themselves with those peoples. Many Indigenous peoples of the Americas were traditionally hunter-gatherers and many, especially in the Amazon basin, still are, but many groups practiced aquaculture and agriculture. While some societies depended heavily on agriculture, others practiced a mix of farming, hunting, and gathering. In some regions, the Indigenous peoples created monumental architecture, large-scale organized cities, city-states, chiefdoms, states, kingdoms, republics, confederacies, and empires. Some had varying degrees of knowledge of engineering, architecture, mathematics, astronomy, writing, physics, medicine, planting and irrigation, geology, mining, metallurgy, sculpture, and gold smithing. Many parts of the Americas are still populated by Indigenous peoples; some countries have ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siberia
Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of Russia since the latter half of the 16th century, after the Russians conquered lands east of the Ural Mountains. Siberia is vast and sparsely populated, covering an area of over , but home to merely one-fifth of Russia's population. Novosibirsk, Krasnoyarsk and Omsk are the largest cities in the region. Because Siberia is a geographic and historic region and not a political entity, there is no single precise definition of its territorial borders. Traditionally, Siberia extends eastwards from the Ural Mountains to the Pacific Ocean, and includes most of the drainage basin of the Arctic Ocean. The river Yenisey divides Siberia into two parts, Western and Eastern. Siberia stretches southwards from the Arctic Ocean to the hills of north-ce ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mongolia
Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, making it the world's most sparsely populated sovereign nation. Mongolia is the world's largest landlocked country that does not border a closed sea, and much of its area is covered by grassy steppe, with mountains to the north and west and the Gobi Desert to the south. Ulaanbaatar, the capital and largest city, is home to roughly half of the country's population. The territory of modern-day Mongolia has been ruled by various nomadic empires, including the Xiongnu, the Xianbei, the Rouran, the First Turkic Khaganate, and others. In 1206, Genghis Khan founded the Mongol Empire, which became the largest contiguous land empire in history. His grandson Kublai Khan conquered China proper and established the Yuan dynasty. After the co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Han Chinese
The Han Chinese () or Han people (), are an East Asian ethnic group native to China. They constitute the world's largest ethnic group, making up about 18% of the global population and consisting of various subgroups speaking distinctive varieties of the Chinese language. The estimated 1.4 billion Han Chinese people, worldwide, are primarily concentrated in the People's Republic of China (including Mainland China, Hong Kong and Macau) where they make up about 92% of the total population. In the Republic of China (Taiwan), they make up about 97% of the population. People of Han Chinese descent also make up around 75% of the total population of Singapore. Originating from Northern China, the Han Chinese trace their cultural ancestry to the Huaxia, the confederation of agricultural tribes living along the Yellow River. This collective Neolithic confederation included agricultural tribes Hua and Xia, hence the name. They settled along the Central Plains around the middle and lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cholula (Mesoamerican Site)
Cholula (; nah, Cholōllān) was an important city of pre-Columbian Mesoamerica, dating back to at least the 2nd century BCE, with settlement as a village going back at least some thousand years earlier. The site of Cholula is just west of the modern city of Puebla and served as a trading outpost. Its immense pyramid is the largest such structure in the Americas, and the largest pyramid structure by volume in the world. Cholula was one of the key religious centers of ancient Mexico.McCafferty, Geoffrey G. "Cholula." In Davíd Carrasco (ed). ''The Oxford Encyclopedia of Mesoamerican Cultures''. : Oxford University Press, 2001. Location and environment Cholula is located in the Puebla-Tlaxcala Valley of the central Mexican highlands. It is surrounded to the west by the snow-covered peaks Popocatepetl and Iztaccihuatl, and Malinche to the north. The summer rainy season and the melted snow in winter provide a great environment for irrigation agriculture. There is also a confl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monte Albán
Monte Albán is a large pre-Columbian archaeological site in the Santa Cruz Xoxocotlán Municipality in the southern Mexican state of Oaxaca (17.043° N, 96.767°W). The site is located on a low mountainous range rising above the plain in the central section of the Valley of Oaxaca, where the latter's northern Etla, eastern Tlacolula, and southern Zimatlán and Ocotlán (or Valle Grande) branches meet. The present-day state capital Oaxaca City is located approximately east of Monte Albán. The partially excavated civic ceremonial center of the Monte Albán site is situated atop an artificially leveled ridge. It has an elevation of about above mean sea level and rises some from the valley floor, in an easily defensible location. In addition to the monumental core, the site is characterized by several hundred artificial terraces, and a dozen clusters of mounded architecture covering the entire ridgeline and surrounding flanks. The archaeological ruins on the nearby Atzompa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cuicuilco
Cuicuilco is an important archaeological site located on the southern shore of Lake Texcoco in the southeastern Valley of Mexico, in what is today the borough of Tlalpan in Mexico City. Some historians believe this settlement goes back to 1400 BC.PASTRANA, Alejandro and Patricia Fournier''Cuicuilco. In The Oxford Encyclopedia of Mesoamerican Cultures''.The Civilizations of Mexico and Central America. Vol. 1. David Carrasco (ed.), pp. 290–292. New York: Oxford University Press. 2001 Other historians believe the pyramid could be the oldest building in the Americas circa 6,500 BC. Cuicuilco flourished during the Mesoamerican Middle and Late Formative (c. 700 BCE – 150 CE) periods. Today, it is a significant archaeological site that was occupied during the Early Formative until its destruction in the Late Formative. Based on its date of occupation, Cuicuilco may be the oldest city in the Valley of Mexico and was roughly contemporary with, and possibly interacting with, the Olm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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