A diversion of blood from the left side of the heart to the right, as through a septal defect.
A diversion of blood from the systemic circulation to the pulmonary circulation, as through a patent ductus arteriosus.
English is read from left to right, but are some languages written from right to left or from top to bottom?News flash: Twitter now comes in 28 languages – including Arabic, Farsi, Hebrew, and Urdu, which are written from right-to-left. Twitter has long supported right-to-left text from users, but it now has instructions and can display hashtags from right-to-left as well. Why are some languages written from right to left and others from left to right? Let’s start at the beginning – 3500 B.C. At …
Why Left and Right Mean Liberal and ConservativeDuring election seasons the words left and right denote political affiliation more than spatial direction. But where do these associations come from? The left hand has long been associated with deviance. The word “sinister” originally meant “to the left” in Latin. The word “left” comes from the Old English word lyft, which literally meant “weak, foolish.” To avoid the negative and superstitious associations of the …
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.