To save this word, you'll need to log in.
Definition of aortic arch
1 : one of the arterial branches in vertebrate embryos that exist in a series of pairs with one on each side of the embryo, connect the ventral arterial system lying anterior to the heart to the dorsal arterial system above the digestive tract, and persist in adult fishes but are reduced or much modified in the adult of higher forms
Examples of aortic arch in a Sentence
Recent Examples on the Web But because Caleb had a rare defect known as an interrupted aortic arch, oxygenated blood flow to his body was being choked off as the duct began to seal itself.
—
Pam Kragen, San Diego Union-Tribune, "10-year reunion celebrates boy’s survival and how he changed hospital rules statewide," 22 Sep. 2020 The team suspects that the animal’s stretchy aortic arch, part of the main artery entering the heart, continues to slowly contract between heartbeats, maintaining blood flow to the animal’s body.
—
Jason Daley, Smithsonian, "Researchers Measure a Wild Blue Whale’s Heart Rate for the First Time," 19 Nov. 2019 In 2012, a 76-year-old Connecticut doctor had surgery to repair a life-threatening bulge in his aortic arch—the hulking bend that hooks the massive artery around the heart, routing oxygenated blood both upward and downward.
—
Beth Mole, Ars Technica, "Virus fished from pond cures man’s deadly antibiotic-resistant infection," 20 Mar. 2018 The study is based off the case of a 76-year-old man who underwent surgery for his aortic arch, a part of the main artery around the heart.
—
Josh Magness, miamiherald, "Virus found in a pond offers hope for when antibiotics aren’t working, study finds | Miami Herald," 21 Mar. 2018
See MoreThese example sentences are selected automatically from various online news sources to reflect current usage of the word 'aortic arch.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Keep scrolling for more
Keep scrolling for more
Comments on aortic arch
What made you want to look up aortic arch? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Challenging Vocabulary Quiz Returns!
- Which is a synonym of fuliginous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share aortic arch
Time Traveler for aortic arch
The first known use of aortic arch was in 1802
See more words from the same year