The abnormal downward displacement or sagging of the aorta from its normal anatomical position within the chest and abdomen.
From Greek 'aorta' (the main artery) plus 'ptosis' (a falling or downward displacement). This medical term developed as anatomists and physicians described abnormal positioning of major vessels in various conditions.
Aortoptosis shows how gravity and weak connective tissue can affect even the body's mightiest vessels—it's particularly seen in people with conditions that weaken the tissues holding organs in place, like Marfan syndrome.
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