Harrison's sulcus

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Harrison's sulcus (ha-ri-sŏnz) n. a depression on both sides of the chest wall of a child between the pectoral muscles and the lower margin of the ribcage. It develops in conditions in which the airways are partially obstructed or when the lungs are abnormally congested due to some congenital abnormality of the heart. [ E. Harrison (1789–1838), British physician]

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Harrison's sulcus

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    Harrison's sulcus