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Friedrich August Von Ammon
Friedrich August von Ammon (10 September 1799 – 18 May 1861) was a German surgeon and ophthalmologist born in Göttingen. He was the son of theologian Christoph Friedrich von Ammon (1766–1850). He studied medicine at the Universities of Göttingen and Leipzig, and following an educational journey through Germany and Paris, he settled in Dresden in 1823 as a physician. Here his primary focus dealt with surgical and surgical-anatomical duties. In 1828 he attained the title of professor, becoming director of the surgical-medical academy in Dresden. In 1837 he was named royal physician to Friedrich August II, King of Saxony. Known for his work in ophthalmology, he was instrumental in making Dresden a center of ophthalmic learning during his lifetime. In 1830 founded ''Zeitschrift für die Ophthalmologie'', an early journal devoted to ophthalmology. In his prize-winning book, ''De Iritide'' (1835), he made contributions involving investigations of iritis and sympathetic ophthalmia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Friedrich August Von Ammon
Friedrich August von Ammon (10 September 1799 – 18 May 1861) was a German surgeon and ophthalmologist born in Göttingen. He was the son of theologian Christoph Friedrich von Ammon (1766–1850). He studied medicine at the Universities of Göttingen and Leipzig, and following an educational journey through Germany and Paris, he settled in Dresden in 1823 as a physician. Here his primary focus dealt with surgical and surgical-anatomical duties. In 1828 he attained the title of professor, becoming director of the surgical-medical academy in Dresden. In 1837 he was named royal physician to Friedrich August II, King of Saxony. Known for his work in ophthalmology, he was instrumental in making Dresden a center of ophthalmic learning during his lifetime. In 1830 founded ''Zeitschrift für die Ophthalmologie'', an early journal devoted to ophthalmology. In his prize-winning book, ''De Iritide'' (1835), he made contributions involving investigations of iritis and sympathetic ophthalmia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Weimar
Weimar is a city in the state of Thuringia, Germany. It is located in Central Germany between Erfurt in the west and Jena in the east, approximately southwest of Leipzig, north of Nuremberg and west of Dresden. Together with the neighbouring cities of Erfurt and Jena, it forms the central metropolitan area of Thuringia, with approximately 500,000 inhabitants. The city itself has a population of 65,000. Weimar is well known because of its large cultural heritage and its importance in German history. The city was a focal point of the German Enlightenment and home of the leading figures of the literary genre of Weimar Classicism, writers Johann Wolfgang von Goethe and Friedrich Schiller. In the 19th century, noted composers such as Franz Liszt made Weimar a music centre. Later, artists and architects such as Henry van de Velde, Wassily Kandinsky, Paul Klee, Lyonel Feininger, and Walter Gropius came to the city and founded the Bauhaus movement, the most important German de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1861 Deaths
Statistically, this year is considered the end of the whale oil industry and (in replacement) the beginning of the petroleum oil industry. Events January–March * January 1 ** Benito Juárez captures Mexico City. ** The first steam-powered carousel is recorded, in Bolton, England. * January 2 – Friedrich Wilhelm IV of Prussia dies, and is succeeded by Wilhelm I. * January 3 – American Civil War: Delaware votes not to secede from the Union. * January 9 – American Civil War: Mississippi becomes the second state to secede from the Union. * January 10 – American Civil War: Florida secedes from the Union. * January 11 – American Civil War: Alabama secedes from the Union. * January 12 – American Civil War: Major Robert Anderson sends dispatches to Washington. * January 19 – American Civil War: Georgia secedes from the Union. * January 21 – American Civil War: Jefferson Davis resigns from the United States Senate. * January 26 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1799 Births
Events January–June * January 9 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound, to raise funds for Great Britain's war effort in the French Revolutionary Wars. * January 17 – Maltese patriot Dun Mikiel Xerri, along with a number of other patriots, is executed. * January 21 – The Parthenopean Republic is established in Naples by French General Jean Étienne Championnet; King Ferdinand I of the Two Sicilies flees. * February 9 – Quasi-War: In the single-ship action of USS ''Constellation'' vs ''L'Insurgente'' in the Caribbean, the American ship is the victor. * February 28 – French Revolutionary Wars: Action of 28 February 1799 – British Royal Navy frigate HMS ''Sybille'' defeats the French frigate ''Forte'', off the mouth of the Hooghly River in the Bay of Bengal, but both captains are killed. * March 1 – Federalist James Ross becomes President pro tempore of the United States Senate. * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
German Wikipedia
The German Wikipedia (german: Deutschsprachige Wikipedia) is the German-language edition of Wikipedia, a free and publicly editable online encyclopedia. Founded on March 16, 2001, it is the second-oldest Wikipedia (after the English Wikipedia), and with articles, at present () the -largest edition of Wikipedia by number of articles, behind English Wikipedia and the mostly bot-generated Cebuano Wikipedia.] Alternative language Wikipedias, 16 March 2001List of Wikipedias/Table meta.wikimedia.org, Statistics It has the second-largest number of edits behind the English Wikipedia and over 260,000 disambiguation pages. On November 7, 2011, it became the second edition of Wikipedia, after the English edition, to exceed 100 million page edits. The German Wikipedia is criticized because of several ongoing p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Pathologists
A list of people notable in the field of pathology. A * John Abercrombie, Scottish physician, neuropathologist and philosopher. * Maude Abbott (1869–1940), Canadian pathologist, one of the earliest women graduated in medicine, expert in congenital heart diseases. * Emile Achard (1860–1944), French internist and pathologist. * A. Bernard Ackerman (1936–2008), American dermatopathologist & dermatologist * Lauren Ackerman (1905–1993), American pathologist and one of the fathers of Surgical pathology. * Theodor Ackermann (1825–1896), German pathologist. * Albert Wojciech Adamkiewicz (1850–1921), Polish pathologist, (see Artery of Adamkiewicz). * W. Stewart Alexander, contemporary British pathologist (see Alexander disease). * Dame Ingrid Allen, Northern Irish neuropathologist. * Friedrich August von Ammon (1799–1861), German ophthalmologist and pathologist. * Gabriel Andral (1797–1876) French pathologist. * Nikolay Anichkov (1885–1964), Russian patholog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pathology
Pathology is the study of the causes and effects of disease or injury. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in the context of modern medical treatment, the term is often used in a narrower fashion to refer to processes and tests that fall within the contemporary medical field of "general pathology", an area which includes a number of distinct but inter-related medical specialties that diagnose disease, mostly through analysis of tissue, cell, and body fluid samples. Idiomatically, "a pathology" may also refer to the predicted or actual progression of particular diseases (as in the statement "the many different forms of cancer have diverse pathologies", in which case a more proper choice of word would be " pathophysiologies"), and the affix ''pathy'' is sometimes used to indicate a state of disease in cases of both physical ailment (as in cardiomy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Optic Nerve
In neuroanatomy, the optic nerve, also known as the second cranial nerve, cranial nerve II, or simply CN II, is a paired cranial nerve that transmits visual system, visual information from the retina to the brain. In humans, the optic nerve is derived from optic stalks during the seventh week of development and is composed of retinal ganglion cell axons and glial cells; it extends from the optic disc to the optic chiasma and continues as the optic tract to the lateral geniculate nucleus, Pretectal area, pretectal nuclei, and superior colliculus. Structure The optic nerve has been classified as the second of twelve paired cranial nerves, but it is technically part of the central nervous system, rather than the peripheral nervous system because it is derived from an out-pouching of the diencephalon (optic stalks) during embryonic development. As a consequence, the fibers of the optic nerve are covered with myelin produced by oligodendrocytes, rather than Schwann cells of the per ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Choroid
The choroid, also known as the choroidea or choroid coat, is a part of the uvea, the vascular layer of the eye, and contains connective tissues, and lies between the retina and the sclera. The human choroid is thickest at the far extreme rear of the eye (at 0.2 mm), while in the outlying areas it narrows to 0.1 mm. The choroid provides oxygen and nourishment to the outer layers of the retina. Along with the ciliary body and iris, the choroid forms the uveal tract. The structure of the choroid is generally divided into four layers (classified in order of furthest away from the retina to closest): *Haller's layer - outermost layer of the choroid consisting of larger diameter blood vessels; *Sattler's layer - layer of medium diameter blood vessels; * Choriocapillaris - layer of capillaries; and *Bruch's membrane (synonyms: Lamina basalis, Complexus basalis, Lamina vitra) - innermost layer of the choroid. Blood supply There are two circulations of the eye: the retin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sclera
The sclera, also known as the white of the eye or, in older literature, as the tunica albuginea oculi, is the opaque, fibrous, protective, outer layer of the human eye containing mainly collagen and some crucial elastic fiber. In humans, and some other vertebrates, the whole sclera is white, contrasting with the coloured iris, but in most mammals, the visible part of the sclera matches the colour of the iris, so the white part does not normally show while other vertebrates have distinct colors for both of them. In the development of the embryo, the sclera is derived from the neural crest. In children, it is thinner and shows some of the underlying pigment, appearing slightly blue. In the elderly, fatty deposits on the sclera can make it appear slightly yellow. People with dark skin can have naturally darkened sclerae, the result of melanin pigmentation. The human eye is relatively rare for having a pale sclera (relative to the iris). This makes it easier for one individual to ide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cornea
The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. Along with the anterior chamber and lens, the cornea refracts light, accounting for approximately two-thirds of the eye's total optical power. In humans, the refractive power of the cornea is approximately 43 dioptres. The cornea can be reshaped by surgical procedures such as LASIK. While the cornea contributes most of the eye's focusing power, its focus is fixed. Accommodation (the refocusing of light to better view near objects) is accomplished by changing the geometry of the lens. Medical terms related to the cornea often start with the prefix "'' kerat-''" from the Greek word κέρας, ''horn''. Structure The cornea has unmyelinated nerve endings sensitive to touch, temperature and chemicals; a touch of the cornea causes an involuntary reflex to close the eyelid. Because transparency is of prime importance, the healthy cornea does not have or need blood vessels with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strabismus
Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. The eye that is focused on an object can alternate. The condition may be present occasionally or constantly. If present during a large part of childhood, it may result in amblyopia, or lazy eyes, and loss of depth perception. If onset is during adulthood, it is more likely to result in double vision. Strabismus can occur due to muscle dysfunction, farsightedness, problems in the brain, trauma or infections. Risk factors include premature birth, cerebral palsy and a family history of the condition. Types include esotropia, where the eyes are crossed ("cross eyed"); exotropia, where the eyes diverge ("lazy eyed" or "wall eyed"); and hypertropia or hypotropia where they are vertically misaligned. They can also be classified by whether the problem is present in all directions a person looks (comitant) or varies by direction (incomitant). Diagnosis may be made by obser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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