A speculum (Latin for 'mirror'; plural specula or speculums) is a medical tool for investigating body orifices, with a form dependent on the orifice for which it is designed.In old texts, the speculum may also be referred to as a diopter or dioptra. Like an endoscope, a speculum allows a view inside the body; endoscopes, however, tend to have optics while a speculum is …

Un libro electrónico, [1] libro digital o ciberlibro, conocido en inglés como e-book o eBook, es la publicación electrónica o digital de un libro.Es importante diferenciar el libro electrónico o digital de uno de los dispositivos más popularizados para su lectura: el lector de libros electrónicos, o e-reader, en su versión inglesa.. Aunque a veces se define como "una versión ...

The Antonine Plague of 165 to 180 AD, also known as the Plague of Galen (after Galen, the physician who described it), was the first known pandemic impacting the Roman Empire, possibly contracted and spread by soldiers who were returning from campaign in the Near East.Scholars generally believe the plague was smallpox, although measles has also been suggested.

L'imprimerie est un ensemble de techniques permettant la reproduction en grande quantité, sur support matériel, d'écrits et d'illustrations, cela afin d'en permettre une distribution de masse.Généralement, on utilise des supports plans et la matière la plus utilisée est le papier ou le textile.. Ces techniques forment ce que l'on appelle communément la chaîne graphique.

The Doric order was one of the three orders of ancient Greek and later Roman architecture; the other two canonical orders were the Ionic and the Corinthian.The Doric is most easily recognized by the simple circular capitals at the top of columns.Originating in the western Doric region of Greece, it is the earliest and, in its essence, the simplest of the orders, though still with …

Eine Klitorishypertrophie, auch Klitoromegalie oder Megaloklitoris genannt, ist die medizinische Bezeichnung für eine anatomisch ungewöhnlich große, penisähnliche Klitoris

The lilac-crowned amazon (Amazona finschi) is a parrot endemic to the Pacific slopes of Mexico.Also known as Finsch's amazon, it is characterised by green plumage, a maroon forehead, and a violet-blue crown and neck.. The binomial of this bird commemorates the German naturalist and explorer Otto Finsch.. In 2006, BirdLife International classified this species as …

Narses (also sometimes written Nerses; Latin pronunciation: ; Armenian: Նարսես; [citation needed] Greek: Ναρσής; 478–573) was, with Belisarius, one of the great generals in the service of the Byzantine Emperor Justinian I during the Roman reconquest that took place during Justinian's reign. Narses was a Romanized Armenian. He spent most of his life as an important eunuch in …

Research in Outdoor Education. Research in Outdoor Education is a peer-reviewed, scholarly journal seeking to support and further outdoor education and its goals, including personal growth and moral development, team building and cooperation, outdoor knowledge...

A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck …