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Classical Nahuatl, also known simply as Aztec or Codical Nahuatl (if it refers to the variants employed in the Mesoamerican Codices through the medium of Aztec Hieroglyphs) and Colonial Nahuatl (if written in Post-conquest documents in the Latin Alphabet), is a set of variants of Nahuatl spoken in the Valley of Mexico and central Mexico as a lingua franca at the time of the 16th-century ...
Later on, Elizabeth Hill-Boone gave a more precise definition of the Aztec pictorial style, suggesting the existence of a particular Aztec style as a variant of the Mixteca-Puebla style, characterized by more naturalism [11] and the use of particular calendrical glyphs that are slightly different from those of the Mixtec codices.
During the 19th century, the word 'codex' became popular to designate any pictorial manuscript in the Mesoamerican tradition. In reality, pre-Columbian manuscripts are, strictly speaking, not codices, since the strict librarian usage of the word denotes manuscript books made of vellum, papyrus and other materials besides paper, that have been sewn on one side. [1]
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The lumped parameter model consists in a system of ordinary differential equations that adhere to the principles of conservation of mass and momentum balance. The model is obtained exploiting the electrical analogy where the current represents the blood flow, the voltage represents the pressure difference, the electric resistance plays the role of the vascular resistance (determined by the ...
Blood vessels function to transport blood to an animal's body tissues. In general, arteries and arterioles transport oxygenated blood from the lungs to the body and its organs, and veins and venules transport deoxygenated blood from the body to the lungs. Blood vessels also circulate blood throughout the circulatory system.
The Aztecs knew of and used an extensive inventory consisting of hundreds of different medicinal herbs and plants. A variety of indigenous Nahua and Novohispanic written works survived from the conquest and later colonial periods that describe aspects of the Aztec system and practice of medicine and its remedies, incantations, practical ...
The structure of the vasa vasorum varies with the size, function and location of the vessels. Cells need to be within a few cell-widths of a capillary to stay alive. In the largest vessels, the vasa vasorum penetrates the outer (tunica adventitia) layer and middle (tunica media) layer almost to the inner (tunica intima) layer.