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Armadillidium Petralonense
''Armadillidium petralonense'' is a European species of woodlouse endemic to Greece. It is a relatively medium-sized species that probably belongs to the so-called "'' Armadillidium fossuligerum'' complex". Taxonomy ''Armadilliidum petralonense'' was described as a distinct species of Armadillidium in 2008, based on specimens collected as far back as 1960. The species is also thought to belong to the "''Armadillidium fossuligerum'' complex", a group of 4 species ('' A. jerenntrupi'', ''A. fossuligerum'' sensu lato, ''A. petralonense'' and '' A. pieperi'') that occur in the southern part of the Balkan Peninsula (mainly Greece and the adjacent areas of North Macedonia and Bulgaria). It can be separated from the first two species by the shape of the telson (pointed instead of truncate) and from the allopatric, but very similar, ''A. pieperi'' by the ventral shape of the ischium of the seventh pereiopod of the male (straight in ''A. petralonense'' vs strongly concave in ''A. pieperi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Europe
Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia and it is located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. Comprising the westernmost peninsulas of Eurasia, it shares the continental landmass of Afro-Eurasia with both Africa and Asia. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south and Asia to the east. Europe is commonly considered to be Boundaries between the continents of Earth#Asia and Europe, separated from Asia by the drainage divide, watershed of the Ural Mountains, the Ural (river), Ural River, the Caspian Sea, the Greater Caucasus, the Black Sea and the waterways of the Turkish Straits. "Europe" (pp. 68–69); "Asia" (pp. 90–91): "A commonly accepted division between Asia and E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tergum
A ''tergum'' (Latin for "the back"; plural ''terga'', associated adjective tergal) is the Anatomical terms of location#Dorsal and ventral, dorsal ('upper') portion of an arthropod segment other than the head. The Anatomical terms of location#Anterior and posterior, anterior edge is called the 'base' and posterior edge is called the 'apex' or 'margin'. A given tergum may be divided into hardened plates or sclerites commonly referred to as tergites. In a Thorax (insect anatomy), thoracic segment, for example, the tergum may be divided into an anterior notum and a posterior Scutellum (insect), scutellum. Lateral extensions of a tergite are known as paranota (Greek for "alongside the back") or ''carinae'' (Latin for "keel"), exemplified by the flat-backed millipedes of the order Polydesmida. Kinorhynchs have tergal and sternal plates too, though seemingly not homologous with those of arthropods. Tergo-tergal is a stridulation, stridulatory mechanism in which fine spines of the abdom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Woodlice
A woodlouse (plural woodlice) is an isopod crustacean from the polyphyleticThe current consensus is that Oniscidea is actually triphyletic suborder Oniscidea within the order Isopoda. They get their name from often being found in old wood. The first woodlice were marine isopods which are presumed to have colonised land in the Carboniferous, though the oldest known fossils are from the Cretaceous period. They have many common names and although often referred to as terrestrial isopods, some species live semiterrestrially or have recolonised aquatic environments. Woodlice in the families Armadillidae, Armadillidiidae, Eubelidae, Tylidae and some other genera can roll up into a roughly spherical shape ( conglobate) as a defensive mechanism; others have partial rolling ability, but most cannot conglobate at all. Woodlice have a basic morphology of a segmented, dorso-ventrally flattened body with seven pairs of jointed legs, specialised appendages for respiration and like ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Petralona, Chalkidiki
Petralona ( el, Πετράλωνα) is a small locality in Chalkidiki, Macedonia, Greece. It is 6 km N-W of Triglia and 35 km S-E of Thessaloniki. Its altitude is 270 m.. It is famous for the eponymous cave at about 1 km from the village, the Petralona cave in which was discovered one of the earliest European humanoids. Prehistory The Petralona cave, at the foot of Mount Katsika, was discovered in 1959 by a local looking for a spring. In it was found in 1960 the Petralona skull, extremely well preserved, dated to more than years. It was named ''Archanthropus europaeus petraloniensis'' (Poulianos, 1976). « Pre-Sapiens Man in Greece ». By Aris Nickos Poulianos, ''Current Anthropology'', vol. 22, n° 3, June 1981, pp. 287-288. This is considered as one of the oldest European ''Homo erectus ''Homo erectus'' (; meaning "upright man") is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago. S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thessaloniki
Thessaloniki (; el, Θεσσαλονίκη, , also known as Thessalonica (), Saloniki, or Salonica (), is the second-largest city in Greece, with over one million inhabitants in its Thessaloniki metropolitan area, metropolitan area, and the capital city, capital of the geographic regions of Greece, geographic region of Macedonia (Greece), Macedonia, the administrative regions of Greece, administrative region of Central Macedonia and the Decentralized Administration of Macedonia and Thrace. It is also known in Greek language, Greek as (), literally "the co-capital", a reference to its historical status as the () or "co-reigning" city of the Byzantine Empire alongside Constantinople. Thessaloniki is located on the Thermaic Gulf, at the northwest corner of the Aegean Sea. It is bounded on the west by the delta of the Vardar, Axios. The Thessaloniki (municipality), municipality of Thessaloniki, the historical center, had a population of 317,778 in 2021, while the Thessaloniki metro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Panorama, Thessaloniki
Panorama ( el, Πανόραμα) is a suburb in the Thessaloniki regional unit, Greece. Since the 2011 local government reform it is part of the municipality Pylaia-Chortiatis, of which it is the seat and a municipal unit. Panorama has a population of 18,000 and is located at the foot of Mount Chortiatis. The municipal unit has an area of 21.321 km2. Historical population References See also *List of settlements in the Thessaloniki regional unit This is a list of settlements in the Thessaloniki regional unit, Greece: * Adam * Adendro * Agia Paraskevi * Agia Triada * Agios Antonios * Agios Athanasios * Agios Charalambos * Agios Pavlos * Agios Vasileios * Akropotamos * Ampelokipo ... {{Neighbourhoods in Thessaloniki Populated places in Thessaloniki (regional unit) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central Macedonia
Central Macedonia ( el, Κεντρική Μακεδονία, Kentrikí Makedonía, ) is one of the thirteen administrative regions of Greece, consisting of the central part of the geographical and historical region of Macedonia. With a population of almost 1.8 million, it is the second most populous in Greece after Attica. Geography The region of Central Macedonia is situated in northern Greece, bordering with the regions of Western Macedonia (west), Thessaly (south), Eastern Macedonia and Thrace (east), and bounded to the north at the international borders of Greece with Republic of North Macedonia and Bulgaria. The southern part is coastal and it is bathed by the Thermaic, Toroneos, Singitic and Strymonic gulfs. The largest city and capital of the region is Thessaloniki. Serres is the second most populous city, followed by Katerini, Veria and Giannitsa. Central Macedonia is basically lowland and with many rivers, is highly developed, both in the primary and in the second ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chalkidiki
Chalkidiki (; el, Χαλκιδική , also spelled Halkidiki, is a peninsula and regional unit of Greece, part of the region of Central Macedonia, in the geographic region of Macedonia in Northern Greece. The autonomous Mount Athos region constitutes the easternmost part of the peninsula, but not of the regional unit. The capital of Chalkidiki is the town of Polygyros, located in the centre of the peninsula, while the largest town is Nea Moudania. Chalkidiki is a popular summer tourist destination. Name ''Chalkidiki'' also spelled ''Halkidiki'' () or ''Chalcidice'' () was the name given to this peninsula after Chalkida. In ancient times, the area was a colony () of the ancient Ionian Greek city-state of Chalcis. Geography The Cholomontas mountains lie in the north-central part of Chalkidiki. Chalkidiki consists of a large peninsula in the northwestern Aegean Sea, resembling a hand with three 'fingers' (though in Greek these peninsulas are often referred to as 'legs'). ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thessaloniki (regional Unit)
Thessaloniki ( el, Μητροπολιτική Περιοχή Θεσσαλονίκης ''Mitropolitiki Periohi Thessaloníkis'', ''Metropolitan Area of Thessaloniki'') is one of the regional units of Greece. It is part of the Region of Central Macedonia and its capital is the city of Thessaloniki. Geography The regional unit stretches from the Thermaic Gulf in the southwest to the Strymonic Gulf in the east. Two bodies of water are located in the north, Lake Koroneia in the heart of the regional unit and Lake Volvi in the east. There are farmlands throughout the west and southwest, with fewer in the northeast, north and along the Axios River valley. Mountainous areas include the Chortiatis in the west-central part, the Vertiskos in the north and parts of the Kerdylio mountains in the northeast. The regional unit borders on the Imathia regional unit to the southwest, Pella to the west, Kilkis to the north, Serres to the east and Chalkidiki to the south. Its climate includes hot ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Regional Units Of Greece
The 74 regional units of Greece ( el, περιφερειακές ενότητες, ; sing. , ) are the country's Seventy-four second-level administrative units. They are divisions of the country's 13 regions, and are further divided into municipalities. They were introduced as part of the Kallikratis administrative reform on 1 January 2011 and are comparable in area and, in the mainland, coterminous with the 'pre-Kallikratis' prefectures of Greece During the first administrative division of independent Greece in 1833–1836 and again from 1845 until their abolition with the Kallikratis reform in 2010, the prefectures ( el, νομοί, sing. νομός, translit=nomoi, sing. nomós) were .... List References {{Articles on second-level administrative divisions of European countries Regional units Greece transport-related lists Subdivisions of Greece ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleopod
The decapod ( crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen). Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail: Cephalothorax Head # antennules # antennae #mandibles # first maxillae # second maxillae The head also bears the (usually stalked) compound eyes. The distal portion of a mandible or maxilla which has a sensory function is known as a palp. Thorax / pereon #first maxillipeds #second maxillipeds #third maxillipeds #first pereiopods #second pereiopods #third pereiopods #fourth pereiopods #fifth pereiopods Maxillipeds are appendages modified to function as mouthparts. Particularly in the less advanced decapods, these can be very similar to the pereiopods. Pereiopods are primarily walking legs and are also used for gathering food. They are also the ten legs from which decapo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Obtuse Angle
In Euclidean geometry, an angle is the figure formed by two rays, called the '' sides'' of the angle, sharing a common endpoint, called the ''vertex'' of the angle. Angles formed by two rays lie in the plane that contains the rays. Angles are also formed by the intersection of two planes. These are called dihedral angles. Two intersecting curves may also define an angle, which is the angle of the rays lying tangent to the respective curves at their point of intersection. ''Angle'' is also used to designate the measure of an angle or of a rotation. This measure is the ratio of the length of a circular arc to its radius. In the case of a geometric angle, the arc is centered at the vertex and delimited by the sides. In the case of a rotation, the arc is centered at the center of the rotation and delimited by any other point and its image by the rotation. History and etymology The word ''angle'' comes from the Latin word ''angulus'', meaning "corner"; cognate words are the Greek ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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