atrioventricular canal cushion
Either of a pair of mounds of embryonic connective tissue covered by endothelium, bulging dorsally and ventrally into the embryonic atrioventricular canal, eventually growing together and dividing the canal into right and left atria.endocardial cushion
The Irritating History Of ALL CAPSWhat’s up with ALL CAPS? You’re reading an email from a friend one morning, casually sipping a cup of joe, when all of a sudden, BAM. There it is. “I’ve been working WAY TOO MUCH lately, but I’m hanging in there. Dinner Friday?” Wait a minute is that— *Gasp* IT IS. AGH! ALL CAPS! Is that how you’d react in IRL? Probably not, but for …
Take A Ride Around The World On These Unusual TransportsOne way to get to know a country is through its food. Another way is by using the country’s public transportation. Some unique modes of transportation are just for fun, like dog-sledding trips in Norway and zorbing in New Zealand (which involves rolling down a hill inside a giant inflatable ball, just saying). Other means of transportation are more practical . . . here’s a …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.