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Book of Optics (c. 1000) - Exerted great influence on Western science. [16] It was translated into Latin and it was used until the early 17th century. [ 17 ] The German physician Hermann von Helmholtz reproduced several theories of visual perception that were found in the first Book of Optics , which he cited and copied from.
The barber surgeon, one of the most common European medical practitioners of the Middle Ages, was generally charged with caring for soldiers during and after battle. In this era, surgery was seldom conducted by physicians, but instead by barbers , who, possessing razors and dexterity indispensable to their trade, were called upon for numerous ...
Cosmetology (from Greek κοσμητικός, kosmētikos, "beautifying"; [1] and -λογία, -logia) is the study and application of beauty treatment.Branches of specialty include hairstyling, skin care, cosmetics, manicures/pedicures, non-permanent hair removal such as waxing and sugaring, and permanent hair removal processes such as electrology and intense pulsed light (IPL).
Among other things, the book is known for the discovery of contagious diseases, and the introduction of experimental medicine, [1] clinical trials, [2] randomized controlled trials, [3] [4] efficacy tests, [5] [6] and clinical pharmacology. [7] The work is considered one of the most famous books in the history of medicine. [8]
Medical textbook writers (12 P) Pages in category "Medical textbooks" The following 14 pages are in this category, out of 14 total. This list may not reflect recent ...
Such haircuts became popular among boys, mostly in schools, and young men in the military and in prisons. Manual clippers were invented around 1855 by Nikola Bizumić, a Serbian barber. [1] While they were widely used in the distant past, the advent and reduction in cost of electric hair clippers has led to them largely replacing manual clippers.
Myology is the study of the muscular system, including the study of the structure, function and diseases of muscle. [1] The muscular system consists of skeletal muscle, which contracts to move or position parts of the body (e.g., the bones that articulate at joints), smooth and cardiac muscle that propels, expels or controls the flow of fluids and contained substance.
The company's product lines include 4LTR Press, Aplia, Cengage Learning PTR, Chilton, Education To Go, Gale, Milady, MindTap, and National Geographic Learning. Since 2015, South-Western products have been branded as Cengage Learning.