STRESS ZONES IN FOETAL ARTERIES

AUTOR(ES)

Robertson, J. H.

RESUMO

In a study of the peripheral arteries of foetuses it was found that focal areas of intimal thickening and of splitting of the internal elastica had developed, the thickening being similar to that found in the coronary arteries. Characteristically the thickenings were found in the mouths of branches and in those vessels subject to pulsation. It is believed that they are physiological in nature and a response of the vascular wall to the stresses produced by focal areas of impaired pulsation and not degenerative as formerly thought.

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