The phrase "aortic arch" refers to a curved part of the main artery called the aorta that connects to the heart. It is shaped like an arch and helps transport oxygen-rich blood from the heart to the rest of the body. Full definition
Thomas Hamilton - SGU - «Feline Juvenile Periodontitis and the Techniques for Surgical Management» Ashley Appleton - Ross - «Renal Adenocarcinoma in a 7 - year - 0ld Mixed Breed Dog» Christina Mirzaian - Ross - «Persistent Right Aortic Arch in a 3 - month - old Labrador Retriever» Jamie Marr - Ross - «Hepatocellular Carcinoma in a 14 year old Pomeranian» (www2.vet.cornell.edu)
The researchers estimated that a one percent increase in aortic arch pulse wave velocity (in meters per second) is related to a 0.3 percent increase in subsequent white matter hyperintensity volume (in milliliters) when all other variables are constant. (sciencedaily.com)
Many of those are signaling genes that are meant to reshuffle the body's shape as it makes the tremendous changes required for independent living (like the ones I mentioned as the cause of aortic arch problems). (2ndchance.info)