Definitions
There is 1 meaning of the phrase
Aortic Isthmus.
Aortic Isthmus - as a noun
The final section of the aortic arch; a narrowing of the aorta as a result of decreased blood flow when in foetal life.
Example Sentences
"The aortic isthmus is a narrow portion of the aorta."
"The aortic isthmus connects the aortic arch to the descending aorta."
"The aortic isthmus can sometimes become narrowed or constricted."
"Aortic coarctation is a condition that often affects the aortic isthmus."
"The aortic isthmus is an important anatomical landmark in cardiac surgery."
