The resistance of the pulmonary artery to arteriosclerosis compared to the aorta may be due to its low rate of medial elastic tissue calcification.
Supports low medial calcification limiting pulmonary atheroma; leaves open causal role and therapeutic targeting in systemic arteries.
The authors compare the pulmonary artery, which usually does not show arteriosclerotic changes, with the aorta, which frequently does. They conclude that the low rate of calcification of medial elastic tissue of the pulmonary artery is an important factor in limiting formation of atheromatous lesions
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Lansing et al. (1950) studied this question.
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